# Computer Science - Electronic Principles

### Exercise :: Electronic Principles - Section 3

16.

The total capacitance of a series capacitor circuit is:

 A. equal to the sun of the individual capacitive-reactance values B. equal to the sum of the individual capacitance values C. equal to the source voltage divided by total current D. less than the value of the smallest capacitor E. None of the above

Explanation:

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17.

Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?

 A. 200 W B. 1000 W C. 20 W D. 100 W E. None of the above

Explanation:

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18.

To get the Thevenin voltage, you have to

 A. Short the load resistor B. Open the load resister C. Short the voltage source D. Open the voltage source E. None of the above

Explanation:

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19.

Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?

 A. Reluctance B. Permeability C. Permeance D. Retentivity E. There is no valid comparison

Explanation:

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20.

How many types of flow are there in a semiconductor?

 A. 0 B. 1 C. 2 D. 4 E. None of the above