Electronics And Communication Test Preparations On Resistance and Power Part 2

Test Preparation on Electronics And Communication Test Preparations On Resistance and Power Part 2

1.

What is the most commonly used conductor in electronics?

1aluminum
2copper
3gold
4silver

2.

With Ohm's law, no change in resistance means that current and voltage will be:

1directly proportional
2unable to produce energy
3the same
4inversely proportional

3.

A potentiometer has how many leads?

11
22
33
44

4.

What is the ratio of 13 to 47 expressed in percent?

12.76%
227.7%
33.60%
436.1%

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