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# Electronics - Resistance and Power

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### Exercise

"Success has many fathers, while failure is an orphan."
- (Proverb)
11.

What current is flowing in the circuit?

 A. 288 kA B. 2 kA C. 50 mA D. 500 A

12.

The six basic forms of energy are:

 A. light, sun, magnetic, chemical, electrical, and mechanical B. electrical, mechanical, light, heat, magnetic, and chemical C. electrical, mechanical, sun, heat, chemical, and light D. potential, sun, light, chemical, electrical, and mechanical

13.

How much energy is stored if 6.24 x 1018 electrons are stored in 4 volts?

 A. 4 joules B. 1.56 x 1018 electrons C. 1.56 coulombs D. 2.496 x 1019 electrons

14.

With Ohm's law:

 A. current is inversely proportional to resistance B. resistance is directly proportional to voltage C. voltage is indirectly proportional to power D. current is directly proportional to resistance

15.

Power is defined as:

 A. the rate at which energy is used B. watts C. energy D. the rate at which energy is generated