Electrical Resistance Worksheet Answers

Your child can get ahead in the sciences with our physical science worksheets and printables. OHM's Law Theory: If I is the current flowing through the conductor when a potential difference V is applied, then according to Ohm's Law the relation between the applied potential difference V and flowing current I is give by. In a simple DC circuit with a constant voltage, where the resistance increases current will: A. Your source for online circuit calculators. The UNIT is the kilowatt hour (kWh). Construction Math Toolbox - Electricity and Ohm's Law 43 Electricity and Ohm's Law Worksheets Problem #1 A 110 volt wall outlet supplies power to a strobe light with a resistance of 2200 ohms. Two 12K resistors in parallel have a combined resistance of. Answer: A Per Ohm's law: current = voltage / resistance. 00 Ω and the resistance of the radio is 14. ( R )Resistance - is the opposition to current flow. of a wire affect its resistance? 2. There are many changes throughout the document. in has given Electricity Chapter wise important question for Class 10 Science This consists of 1 mark Questions, 3 Mark Numericals Questions, 5 Marks Numerical Questions and previous year questions from Electricity Chapter. Current electricity quiz questions and answers pdf, test for physics certifications. The voltage is the water pressure, the current is the amount of water flowing through the pipe, and the resistance is the size of the. 6) What is the equivalent resistance of the circuit shown?. 1Electric energy in massive quantities is transmitted from this hydroelectric facility, the Srisailam power station located along the Krishna River in India, by the. The current in the circuit is 2 amperes when the resistance in the circuit is adjusted to 10 ohms. Finally, calculate the individual currents and voltages for each resistor. Electric Circuits. Construction Math Toolbox - Electricity and Ohm's Law 43 Electricity and Ohm's Law Worksheets Problem #1 A 110 volt wall outlet supplies power to a strobe light with a resistance of 2200 ohms. Get Free Access See Review. In this lesson, students perform some simple experiments, creating static electricity to demonstrate how opposite charges attract each other and like charges repel each other. Use your VOM to measure the resistance of these resistors: Color Bands. A series circuit is one with all the loads in a row. The resistivity, like the density, depends on the type of material. Some of the worksheets below are Force and Motion Worksheets in PDF, Lessons on Force and Motion, Balanced and Unbalanced Forces and Velocity and Acceleration with colorful diagrams. We're going to look at it from the point of view. Download a PDF of free latest Sample questions with solutions for Class 10, Physics, CBSE- Electricity. ) Measure and compare the resistance of conductors of various lengths and cross-sectional areas. New color will be magenta. Calculated its (i) power (ii) resistance. Determine the equivalent (total) resistance for each of the following circuits below. energy source: battery, electric generator, etc. Lesson Plan Chapter 17 Electrical Energy and Current CHAPTER 17 CHAPTER 17 Electrical Energy and Current Chapter Opener __ Tapping Prior Knowledge, TE Review previously learned concepts and check for preconceptions about the chapter content. Extra Practice - Combined Transformations Note: Answer key is provided on the backside of the sheet. Resistance is one of the basic principles of Ohm's law, and can be found in virtually any device used to conduct electricity. In a series circuit there is just one path so the charge flow is constant everywhere (charge is not. the spiral structure of galaxies - is due to gravitational forces f. Part 2: Design your own circuit (40 points) Design a circuit and draw a circuit diagram using the proper symbols. connected in parallel. Watts v) Energy e. Normally the resistance of an LDR is very high, sometimes as high as 1000 000 ohms, but when they are illuminated with light resistance drops dramatically. Complete the table by calculating the total resistance of the following series circuit. The total resistance for two bulbs in parallel is equal. the spiral structure of galaxies – is due to gravitational forces f. Ansar Omar. Coulomb - is the unit of electrical charge 2. What is an ampere? 3. Using an ohmmeter, a student measures the resistance between various points on his body. Tommy runs his juicer every morning. 0 amps Problem #2. How much current is flowing through the strobe light? Choose your answer below 1. the idea of electric field, forces acting across the space between objects not in contact. On this page you can read or download experiment 3 electricity and magnetism internal resistance in PDF format. Students can download these worksheets and practice them. Ohm's law calculator calculation calculate ohms power formulas mathematical ohm's law pie chart electric voltage drop electric current resistance formula watt's law emf magic triangle tip online voltage volts resistor resistance amps amperes audio engineering E V = I R - P = V I calc conductivity resistivity relation relationship - Eberhard Sengpiel sengpielaudio. A string of fifty 15 ohm Christmas tree lights are connected in series. An electrical device with a resistance of _____ Ω has an electric potential difference of 120 V impressed across it; the current in the device is 6. find the potential difference when the current is 5 amps and the resistance is 10ohms. Electrical resistance can be compared to the friction experienced by water when flowing through a pipe. Photo 1 Photo 2 Photo 1 shows an experimental circuit that is the real electrical circuit for the previous schematic diagram. Lin 2 Series Circuits Exercise 14. Lesson Plan: Electric Circuits (~130 minutes) Concepts 1. Physics Worksheet Electric Circuits Section: Name: Mr. One bulb has a resistance of 2Ω and the second bulb has a resistance of 3Ω. electric potential synonyms, electric potential pronunciation, electric potential translation, English dictionary definition of electric. What is Ohm's Law? The very important equation. 5 volt alkaline battery has a resistance of 0. A quadraphonic car stereo operates on electricity provided by the car's 12-V battery. This is called heating effect of current. The attraction between the two increases. Given a resistance of 1500 ohms and a current on 0. 0 V and a resistance of 25. Direct-Current Circuits 7. Homeschooling. The symbols represent electrical and electronic components. Electric Circuits Vocabulary Term Definition Electric Current The flow of electric charge. Types of Electricity - Modern Methods There are two types of Electricity, Static Electricity and Current Electricity. Electrical Heating; Electrical Losses Quiz Questions; Electrical Measuring Devices Quiz ; Wiring Systems Quiz Questions; Inductance Quiz Questions Answers; Capacitance Quiz Questions; Electrical Power Generation: Battery Quiz Questions; Generation of Electric Current Quiz; RLC Circuits Quiz Questions; Electrical Transformer Quiz Questions. 0 V and a resistance of 25. Series resistor voltage problems. P = V 2 / R. Year 8 Electricity Test. You will learn. 5 Circuits Containing Capacitors. Worksheet - Writing the Equation of a Transformed F(x) Graph. 0 x 10 6 joules of energy when operating at 220 volts for 30 minutes. If the heating element in the toaster has a resistance of 14Ω, calculate the current flowing through it. Help Center Detailed answers to any questions you might have Solving circuit problems. Materials Needed: electric motorboat, race times, calculator, electronic balance, & multi-meter. Students can download these worksheets and practice them. They are Power (P) or (W), measured in Watts, Voltage (V) or (E), measured in Volts , Current or Amperage (I), measured in Amps ( Amperes ), and Resistance (R) measured in Ohms. Static Electricity is made by rubbing together two or more objects and making friction while Current electricity is the flow of electric charge across an electrical field. Using an ohmmeter, a student measures the resistance between various points on his body. Glencoe Physical Science Chapter 7: Electricity Chapter Review & Standardized Test Practice Answer Keys study guide by heatherthinkalready includes 33 questions covering vocabulary, terms and more. If this circuit was a string of light bulbs, and one blew out, the remaining bulbs would turn off. Worksheet- Series Circuit Problems, Episode 903 Name _____ PHYSICSFundamentals © 2004, GPB 9-10 Remember that in a series circuit: the current in every part of the. Therefore the above answer could be written as 14. The bigger the resistance, the smaller the current. 15 Electrical Circuits Name Worksheet A: SERIES CIRCUIT PROBLEMS be careful to use proper significant figures on all answers 1. No current can flow if the circuit is broken - for example, when a switch is open. If it is operating for 40 minutes, calculate how many kilowatts per hour of energy does it use and how much do you pay if 1kwh = 0,20€. Answer: Since, resistance is indirectly proportional to the area of cross section, thus current flows easily through a thick wire compared to a thin wire of the same material. Atoms contain proton(s) in a nucleus that is orbited by electron(s). Once you’ve finished with. As the line current increases so do the ohmic loss (I 2 R loss). Introduction Slide 1. The mercury in glass thermometer is extremely accurate and so can be used to measure body temperature accurately. What is the total or effective resistance of the circuit shown in the diagram at right? 2. Every circuit MUST have the following parts: 1. How to Simplify to Find. Answer 6 As electric charges accumulate between clouds and earth, the voltagebetween these points increase. Chapter 21 Electric Current and Direct-Current Circuits 21. 0 V and a resistance of 25. In this electricity law worksheet, students complete 16 short answer and problem questions on Ohm's law. Construction Math Toolbox - Electricity and Ohm’s Law 43 Electricity and Ohm’s Law Worksheets Problem #1 A 110 volt wall outlet supplies power to a strobe light with a resistance of 2200 ohms. State what the power of an appliance is, calculate the power of an electrical appliance fro. The derivative of a linear function is a constant, and in each of these three cases that constant equals the resistor resistance in ohms. Holt Science Spectrum 6 Electricity Name Class Date Math Skills continued Practice 6. The worksheet helps to provide an accurate, consistent, and simplified method of determining the minimum size electrical service for a new or existing dwelling looking to add additional electrical load. Resistance is measured in units called Ohms. A solution such as saltwater has a lot of free ions floating around. 1 kWh = 1 kW × 1 hr = 1 unit of electricity. The amount of energy used by a series circuit must equal the energy supplied by the battery. Complete the table on your worksheet. 3 Components Coding: 1. This means that if the voltage is increased then the current will increase as long as the resistance doesn’t change. 250 A flow in a circuit with 8. com Physics Interactives Electric C DC Circuit Builder ircuits www physicsclassroom. A material that doesn't. If all were operated at the same time, what total current would they draw? 21A 2. power supply, conduction, insulation and protection 3. You Should UNDERSTAND: 20. 23 An electric heater rated 880W operates 6h/day. Michael Faraday, in his electrolysis experiments, was the first to note the discrete nature of electric charge. Rewrite the correct statement. Current electricity multiple choice questions and answers (MCQs), current electricity quiz answers pdf 1 to learn online applied physics courses. Slides that relate to this are optional worksheet and denoted by “optional: refers to worksheet 1”. A circuit has one battery and two light bulbs in parallel. The overall format of the exam—including the weighting, timing, types of questions, and types of stimulus materials—won’t change. resistance of the light bulb? (Hint: A D-cell battery has 1. Common electrical units used in formulas and equations are: Volt - unit of electrical potential or motive force - potential is required to send one ampere of current through one ohm of resistance; Ohm - unit of resistance - one ohm is the resistance offered to the passage of one ampere when impelled by one volt. Electric power (watts)= current (amperes) x voltage (volts), where 1 watt = 1 ampere x. Maybe you have knowledge that, people have look hundreds times for their favorite novels like this electric circuits worksheet 2 charge flow answers, but end up in infectious downloads. WELLNESS WORKSHEETS Twelfth Edition Paul M. Sum equation as we only have two parallel. A closed loop wire of resistance R and area A is placed in a horizontal plane that is. Some of the worksheets displayed are Residential electrical load calculation work, Standard method for dwelling service calculations, Handbook of electric power calculations, Residential hvac work, 75 8721 e z k e z de, Quantity volt amperes va g, Introduction to unit 1electricians math and. So, at first there is no current resulting from the rise in voltage between clouds and earth. 2 Using an Electric Meter 13. Watts v) Energy e. Learn vocabulary, terms, and more with flashcards, games, and other study tools. What is the resistance of the bulb?. Voltage is the measurement of how much energy is transferred by electricity. Also refer to other worksheets for the same chapter and other subjects too. How much does it cost to use a 2. CW/HW Answers (worksheets/bookwork) AP Electricity & Magnetism. How to Simplify to Find. Worksheet- Series Circuit Problems, Episode 903 Name _____ PHYSICSFundamentals © 2004, GPB 9-10 Remember that in a series circuit: the current in every part of the. Some of our most popular calculators are listed below. Members receive unlimited access to 49,000+ cross-curricular educational resources, including interactive activities, clipart, and abctools custom worksheet generators. Electricity Facts. AiC breakers that the minimum resistance of the service is 480. According to research, it has been proven that the electric force between two objects is proportional to the inverse square of the distance between two objects, and the electric force does not depend on the mass of the particle but on the electric charge. Electricity is a type of energy it usually resides in two forms. Current Electricity Basics Worksheet 16 When a battery "dies" the resistance inside the battery rises while the voltage it can produce almost always remains the same. Insel • Walton T. 0 MARKS ANSWER ALL QUESTIONS NAME & CLASS 1. Your source for online circuit calculators. 5 volt alkaline battery has a resistance of 0. What is the value of the resistance of the resistor? A) 2 B) 0. 5 A of current when connected to a 120 volt circuit. Therefore the above answer could be written as 14. Repair it or replace it. 1: Potential divider circuit In the space on the right, show how the power supply and the rheostat and the other. Resistance is a measure of a material's opposition to current. There is only ONE path for the electricity to flow. Some of the worksheets for this concept are Electricity unit, Electrical circuits, Simple circuits work, Basic electricity work, Dc electrical circuits workbook, A guide to electric circuits, Circuits work r, Fundamentals of electric circuits. A switch that open a circuit when too much current is flowing. One way to indicate the resistance value and tolerance is color code method, which is explained in Figure 3. Electrical Heating; Electrical Losses Quiz Questions; Electrical Measuring Devices Quiz ; Wiring Systems Quiz Questions; Inductance Quiz Questions Answers; Capacitance Quiz Questions; Electrical Power Generation: Battery Quiz Questions; Generation of Electric Current Quiz; RLC Circuits Quiz Questions; Electrical Transformer Quiz Questions. The electric force is a repulsive interaction between electrons and nucleus. Answers in Genesis is an apologetics ministry, dedicated to helping Christians defend their faith and proclaim the gospel of Jesus Christ effectively. The total resistance for two bulbs in parallel is equal. The resistance of a conductor is directly proportional to its _____. Note: The amounts used in these problems may not be realistic. Calculate the resistance oi another wire, made from the same material such that its length increased by 4times and area decreased by 3times. Worksheet: Current Electricity Test Review. Chapter 21 Electric Current and Direct-Current Circuits 21. You've decided to take charge of your child's education—now what? Get advice on motivating and transitioning your student, plus keeping track of finances and teaching different age groups. Electric-powered mowers and other electric tools should not be used in the rain, on wet grass or in wet conditions. Electrical resistance shares some conceptual parallels with the notion of mechanical friction. THAT'S where the words "electric charge" are explained. While this is good, there is a much better way. Parents, teachers, and educators of all kinds can use our Learning. New color will be magenta. How much voltage is there across the 20. com Physics Interactives Electric C DC Circuit Builder ircuits www physicsclassroom. 1000 to End) Revised as of July 1, 2001 Labor Containing a codification of documents of general applicability and future effect As of July 1, 2001 With Ancillaries. and demonstrations (as indicated below). Printable Ninth Grade (Grade 9) Worksheets, Tests, and Activities. What is the total resistance of the circuit? b. Digital thermometers are often used where remote sensing is needed. Quickly access your most used files AND your custom generated worksheets! Please login to your account or become a member and join our community today to utilize this helpful feature. What is Electricity? Matter consists of charged particles. Science 9 Unit 3 Characteristics of Electricity WS9. Resistance slows down current. Ohm's law describes the way current flows through a resistance when a different electric potential (voltage) is applied at each end of the resistance. Ohm’s Law and Power Equation Practice Worksheet 12. The resistance, like the mass, depends on how much of the material is present. Every block of copper has the same resistivity. It has been updated from the draft version to reflect the changes made in the accredited specification. It allows for accommodating resistance to provide maximal resistance throughout the. Introduction Slide 1. Complex Circuit Practice Worksheet Circuit #2 R 1 = 500 Ω R 3= 400 Ω 1000 V R 2 = 300 Ω R 5= 300 Ω R 4= 200 Ω 1. A circuit has one battery and two light bulbs in parallel. View the Most Recent Blog Posts Trace Width Calculator - Finds how wide a trace should be for a certain current. 4 Voltage, Current, and Resistance Electricity is one of the most fascinating topics in physical science. Express your answer to the correct number of significant figures. 1) Read section 22. 3 25 From the above diagram, determine i) The equivalent resistance of the entire circuit ii) The current through each resistor. In this electricity law worksheet, students complete 16 short answer and problem questions on Ohm's law. Questions 1. Electricity can only flow through a closed circuit; it cannot flow through an open circuit. Parallel resistor current problems. Resistors can be used to control current or to provide a specific voltage and current to other components in a circuit. This website and its content is subject to our Terms and Conditions. Electricity Basics Electrical Charge Voltage Current Resistance Ohm's Law An Ohm's Law Experiment Resources and Going Further Electricity Basics When beginning to explore the world of electricity and electronics, it is vital to start by understanding the basics of voltage, current, and resistance. • The bigger the resistance, the smaller the electric current. volt and amp meters on your pulsator) is primarily meant for A. What current flows in a circuit with a potential difference of 12. From what I have observed in my 35 year young life is that Mike Holt wants to teach you to be an electrician and has available information to do so, not just to get you to pass licensing tests. is electrical resistance. The resistance of 100 W bulb is less than resistance of 40 W bulb. Introduction Slide 1. For the Extra exam, it's very difficult to remember 700 correct answers, but it's impossible. If electricity costs $0. A drawing that uses symbols to show how the parts of an electric circuit are connected is a/an _____. 37 A The parallel resistors must be reduced to a single series value before being added to the series resistor. Questions and Answers. 458 to 472) December 10-19, 2019 1. Applications of Systems of Equations: An Electronic Circuit Activity—Electronic Circuit Worksheet Answer Key 2 Part 2: Now that you know the current values, let’s check them by doing an experiment. Worksheets are Resistance calculations work, Electric circuits name, Introduction to unit 1electricians math and basic, Electricity unit, Voltage current and resistance, Series parallel dc circuits, Current electricity basics work, Ohms law and power equation practice work. To learn more, see our tips on writing great answers. Drawing Circuit Diagrams Worksheet Answers you may choose to use certain worksheets or the entire Student Guide for students to record their thoughts Discuss each of the centers with the students and answer any questions they have. (A) Bulb A and Bulb B are the same brightness because the resistances are all the. A V a) Chart and determine the algebraic relationship for resistance and current. An optional class worksheet (worksheet 1) is provided for this part of the activity. A string of fifty 15 ohm Christmas tree lights are connected in series. Test yourself Electrical circuits (continued) Answers 11 Complete these sentences to explain how a fuse protects an electrical appliance. ioane roberts. Generally, battery life is calculated based on the current rating in milli Ampere per Hour and it is abbreviated as mAh. com Physics Interactives Electric C DC Circuit Builder ircuits www physicsclassroom. If it is operating for 40 minutes, calculate how many kilowatts per hour of energy does it use and how much do you pay if 1kwh = 0,20€. 0 Ω in series. There are many changes throughout the document. Algebra 2 CR Worksheet Electrical Formulas Use an appropriate formula to answer each question. com Legal copying of this worksheet requires written permission. Roth The 126 Wellness Worksheets in this package are designed to help students become more involved in their own wellness and better prepared to implement behavior change programs. How much voltage is there across the 15. Electrical Heating; Electrical Losses Quiz Questions; Electrical Measuring Devices Quiz ; Wiring Systems Quiz Questions; Inductance Quiz Questions Answers; Capacitance Quiz Questions; Electrical Power Generation: Battery Quiz Questions; Generation of Electric Current Quiz; RLC Circuits Quiz Questions; Electrical Transformer Quiz Questions. Current Electricity Basics Worksheet 16 When a battery "dies" the resistance inside the battery rises while the voltage it can produce almost always remains the same. 0 Ù resistor? 4. Joules iv) Voltage d. Determine the total voltage (electric potential) for each of the following circuits below. 13V 12 V 3. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Physics Unit: DC Circuits Worksheet 2: Parallel Circuits Review: 1. forces, net forces, acceleration answers pdf. 458 to 472) December 10-19, 2019 1. 4 Worksheet - Ohm's Law Print and complete this worksheet. In this page we have Class 10 Science: Chapter 12 electricity Exercise Questions|NCERT Solutions. 50 50 70 18 Q 2. How much current would be measured in each circuit if the light bulb has a resistance of 6 ohms? c. What is the total or effective resistance of the circuit shown in the diagram at right? 2. Tell whether the light bulb or bulbs will light or will not. Example 1 Determine the current flowing through the electric heater have p. Common electrical units used in formulas and equations are: Volt - unit of electrical potential or motive force - potential is required to send one ampere of current through one ohm of resistance; Ohm - unit of resistance - one ohm is the resistance offered to the passage of one ampere when impelled by one volt. Three 3-Ω resistors placed in series would provide a resistance which is equivalent to one _____Ω- resistor. Single resistor resistance problems. A) voltage. CIRCUITS WORKSHEET 1. resistance, and electrical power for simple series, parallel, or combination direct current (DC) circuits. E A The forces shown above are PUSHING / PULLING forces. Listed below are some of the most common, and most interesting, questions visitors to our site have asked. They are inserted in circuits to modify the actual current flowing through the circuit. I get so many emails from NCLEX test takers that say there were medication questions on the nclex of medications that they had never heard of. Electric Circuits - Key Vocabulary Electric Circuit Term Definition Electric Current The flow of electric charge. Atoms contain proton(s) in a nucleus that is orbited by electron(s). 4 Match column A with column B & write the answer in column 'C'. (g) Calculate the voltage across lamp 2. Complete the table on your worksheet. Math 1321 Week 14 Lab Worksheet Due Thursday 04/18 Many forces in our known universe can be modeled with conservative force elds. If the heating element in the toaster has a resistance of 14Ω, calculate the current flowing through it. We have provided a variety of texts about electricity for readers of different. Discover online educational resources to help students reach their learning goals. So, at first there is no current resulting from the rise in voltage between clouds and earth. physicsclassroom. Resistivity and Conductivity. Example 1 Determine the current flowing through the electric heater have p. The following are not electrical in nature: d. Get Free Access See Review. electricity c 1 e 2 l l v 3 i 4 l s 5 h o r t n a 6 e l s 7 s m c 8 o n d u c t o r t u m t m a l e r d 9 i r e c t 10 t a t o p 11 t r 12 e s i s t a n c e d a e a c. Electromagnetism. The capacitors only function is to store electric charge. What is Electricity? Matter consists of charged particles. In a simple DC circuit with a constant voltage, where the resistance increases current will: A. The equivalent resistance can be determined with the equation 1 Requivalent = 1 R1 + 1 R2 + 1 R3 The electric potential difference across each branch is the product of the equivalent resistance and the total current (outside the branches). This is called static electricity. is electrical resistance. Electricity Formulas are applied in calculating the unknown electrical parameters from the known in electric circuits. Ask here on Yahoo Answers. electric force. Resistance = 240 ÷ 3 = 80 Ω. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. • Resistance is measured in ohms. forces, net forces, acceleration answers pdf. Fall, 2005. Given a voltage of 120 volts and a current of 5 amps, what is the resistance? 21. Equivalent Resistance Worksheet 1 1. A calculator is allowed. The total resistance for two bulbs in parallel is equal. Answer: Electrical power in terms of current and resistance is P = I 2 R. Introduction Slide 1. The electric current passing through a resistor has been measured for different voltages. Brush up on some basic electrical theory and deepen your knowledge about electricity. The plumbing analogy is designed to try and encourage class discussion and to consider the many similarities between the way electricity and water flow. Let the resistance of an electrical component remain constant while the potential difference across the two ends of the component decreases to half of its former value. Resistance Coding: Resistors are specified by their resistance value and their tolerance. There are many changes throughout the document. df = solve for x g+32 solve for d t solve for s Choose the best answer. Given the relationship between these three elements, once you know any two of them, it is possible to calculate the third. The resistor is made from materials that can be mixed to give various values. Print our Ninth Grade (Grade 9) worksheets and activities, or administer them as online tests. Finally, calculate the individual currents and voltages for each resistor. Test how much you know about physics by trying our fun physics quiz. Get Free Access See Review. Electric Pressure, Current and Resistance The purpose of this activity is to determine the mathematical relationship between battery voltage (AV), current (i), and resistance (R) for a simply circuit Getting Ready: Navigate to the DC Circuit Builder Interactive at The Physics Classroom: www. (I) Current - is the movement of electrons (Coulombs per sec). A solution such as saltwater has a lot of free ions floating around. As you increase the voltage the number of batteries will increase in 1. Science 9 Unit 3 Characteristics of Electricity WS9. Transportation facilities 4. To learn more about the significance of Ohm's Law. Some answers to the worksheets on Coulomb's Law. Circuit A Circuit B, = 3 A CIRCUITS WORKSHEET 1. Answer Key: Practice Worksheet - G9 - Term3 True/False Indicate whether the statement is true or false. Question 47: Write an expression for calculating electrical power in terms of current and resistance. Atoms contain proton(s) in a nucleus that is orbited by electron(s). Electric Force, Field & Potential. 1 Electric Current 21. • The bigger the resistance, the smaller the electric current. The use of _____ instruments is merely confined within laboratories. A material that doesn't. Tommy runs his juicer every morning.