Assessment Test

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1. The rms value of a sine wave voltage means _________


2. What is the instantaneous value of an angle of 37o in a sine wave having a peak value of 169 V?


3. What could be the problem, if your scope is set up to measure a voltage, but the trace is a straight horizontal line?


4. The knee voltage of a diode is approximately equal to the _________.


5. The current produced when electrons move first in one direction and then in the opposite direction is called __________.


6. The electrical charge movement which is the basic unit of measurement for current flow in an electrical circuit is called __________.


7. A capacity rating of storage batteries which refers to the maximum current that can flow from the battery during a specific period of time is the _________.


8. A unit of electrical charge that represents a large number of electrons is __________.


9. The “pressure,” or force, that causes electrical current to flow is?


10. A small particle which is part of an atom that is said to have a negative (–) electrical charge; electrons cause the transfer of electrical energy from one place to another is called _________.


11. What kind electrical energy source that converts chemical energy into electrical energy?


12. A material that allows electrical current to flow through it easily is _________.


13. The movement of electrical charge; the flow of electrons through an electrical circuit is ________.


14. What is the flow of electrons in one direction from negative to positive?


15. When the graph of current versus voltage is a straight line, the device is referred to as _________.


16. The peak inverse voltage (PIV) is applied across a diode when it is _______.


17. What is the correct formula for finding the period (T) of a sine wave?


18. Noise margin is expressed in _________.


19. The formula for Vmms for a sine wave is _______________.


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