ASVAB Electronics Revision
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ASVAB Electronics Revision
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25 Questions

1. An instrument used for measuring electrical potential difference between two points in an electric circuit (i.e. voltage)

2. True or False: To see what the voltage is anywhere in a circuit, you have to compare the voltage at that point to ground

3. Capacitor used most often in radio tuning circuits

4. The vacancies left by electrical particles moving" from the positive (+) terminal to the negative (-) terminal of a battery. (in regards to electrical flow of current)"

5. The ___ band indicates the multiplier (number of zeros after the first two numbers).

6. Found in rectifiers; a component made of a material with conductivity somewhere between that of a conductor and an insulator

7. 1 kilohertz (kHz) = ___ Hz.

8. Allow current in the opposite direction after a threshold is met

9. Wires that are connected to each other and are indicated by a dark circle in diagrams

10. Current produces this effect when it passes through your bicep (or any other muscle) and causes the muscle to contract. This effect is used in medicine.

11. Unit of measure for resistance

12. Current flow can be expressed in terms of ___.

13. 3 ways Electricity is measured

14. 10 kilowatt-hours is enough energy to run a 5,000-watt air conditioner for how long?

15. A material of such low conductivity that does not easily allow the flow of electrical current to pass through it; discourages electrical current

16. Examples of Transducers

17. Capacitors are rated in ___.

18. A device designed to receive and/or transmit radio signals

19. The production of electric current across a conductor moving through a magnetic field. It underlies the operation of generators, transformers, etc.

20. Electrical ___ occurs when electrons move from one place to another.

21. To find watt-hours multiply ___ by ___.

22. Devices typically need ___ current to run properly.

23. True or False: Transistors are small, require little power, and last a long time

24. Abbreviation for voltage

25. This type of switch is often used to switch the main electricity because it can isolate both the live and neutral connections

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