ASVAB Electronics Review
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ASVAB Electronics Review
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25 Questions

1. Red is __.
(band code)

2. Yellow is __.(band code)

3. What is Ohm's law?

4. The flow (rate of flow) of electrons in a conductor

5. Converts electrical energy to light for such uses as a warning light on a car's dashboard

6. This provides direct current; direct current always flows in 1 direction

7. 4 effects produced by current and some of their commercial applications

8. A Device that

[ measures the amount of resistance that interferes with the flow ]

9. A process used to cover objects with a very thin coating of metal.
(chemical effect)

10. Converts electrical energy to heat

11. The ___ and ___ bands on the resistor are the first 2 digits in the resistor's value.

12. Rectification helps appliances run at ___ temperatures and allows them to run at ___ speeds.

13. With this switch, the circuit is normally closed (the device is on), and the circuit is open (device is off) only when the button is pressed

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

15. A device that converts energy from one form to another

16. Current that constantly changes direction in a regular patter

17. To see what the voltage is anywhere in a circuit, you have to compare the voltage at that point to ____

18. 1 kilohertz (kHz) = ___ Hz.

19. Resistors are rated in ohms and have a color code on them to indicate their ___________________.

20. Emit light when an electric current passes through them

21. Devices typically need ___ current to run properly.

22. Converts electrical energy to light.
e.g. light bulb, automobile headlight

23. This switch directs the flow of current to one of two routes, according to its position

24. The 3 influences that are present when current flows through a wire

25. A gold or silver band after the first bands ______, and a quality band may follow the tolerance band.

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