# Computer Science - Electronic Principles

### Exercise :: Electronic Principles - Section 3

26.

If a load resistance is 1 kW, a stiff voltage source has a resistance of

 A. At least 10 Ohm B. less than 10 Ohm C. More than 100 k Ohm D. Less than 100 k Ohm E. None of the above

Explanation:

No answer description available for this question. Let us discuss.

27.

A typical light switch in your home is a:

 A. knife switch B. toggle switch C. rotary switch D. momentary push button switch E. None of the above

Explanation:

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28.

Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage?

 A. 100 V B. 120 V C. 170 V D. 180 V E. None of the above

Explanation:

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29.

A device that converts thermal energy to electrical energy is called a:

 A. thermocouple B. solar cell C. chemical cell D. piezoelectric devices E. None of the above

Explanation:

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30.

How much power is being dissipated by a 1000 W resistance that has 25 V applied to it?

 A. 0.24 W B. 0.625 W C. 80 W D. 325 kW E. None of the above