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ASVAB Practice Test: Electrical Information
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ASVAB Practice Test: Electrical Information
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20 Questions

1. Which of the following commonly serves as a ground?
2. What is the difference between motors and generators?
3. Which of the following is not true of inductors and capacitors?
4. What is the purpose of transformers?
5. Which of the following is not true of generators?
6. Use this image to answer this:

In the above circuit, what is the equivalent resistance if R1= 4 Ω, R2= 4 Ω, and R3= 2 Ω?
7. Which of the following is a correct pairing of the function and an application of capacitors?
8. Alternating current is commonly used in which of the following places?
9. Which of the following demonstrates the correct associations between the components of Ohm's law and their units of measure?
10. Use this image to answer this question:

If the current at point 1 in the series circuit above is 3 A and the voltage drop across the first, second, and third resistors is 2V, 3 V, and 4 V, respectively, what is the total resistance of the circuit?
11. Transistors are used in all of the following applications except:
12. If a 60-Watt lightbulb is used in a flashlight with a 9V battery, what is the current between them?
13. What is the voltage across a 3 Ω resistor if the ammeter reads 4 A?
14. All of the following are true regarding alternating current except:
15. Use this image to answer:

If the current at point three in the series circuit above is 4 A, the resistance of R1 is 0.5 Ω, the resistance of R2 is 1 Ω, and the voltage drop across R3 is 6 V, what is the size of the battery of the circuit?
16. Which of the following is true regarding current and voltage?
17. Which of the following is true of p-type semiconductors?
18. What is the purpose of a diode?
19. Use this image to answer the question:

In the above circuit, what is the current at points 4 and 6 if the battery is 20 V, R2= 4 Ω, and R3= 2 Ω?
20. Use this image to answer:

In the above circuit, if two resistors in series were in place of R1 and 3 resistors in series were in place of R3, what is the order of steps necessary to solve the problem?

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