# Electronics - Capacitors

### Exercise :: Capacitors - General Questions

66.

A capacitor and an output resistor form a series circuit with a square wave applied. The circuit is:

 A. an integrator B. a differentiator C. a multiplier D. a divider

Explanation:

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67.

Capacitive reactance values connected in series offer

 A. an increase in total XC B. a decrease in total XC C. no change in total XC D. total opposition to voltage in the circuit

Explanation:

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68.

The quantity that represents an ideal capacitor dissipating 0 W of power is

 A. instantaneous power B. true power C. reactive power D. resistive power

Explanation:

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69.

If a capacitor is placed across a 20 V source, what will be the amount of charge after 5 tc?

 A. 5.0 V B. 12.8 V C. 13.5 V D. 20 V

Explanation:

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70.

What is the impedance of an ac RC parallel circuit if the resistance is 12 ohms and the capacitive reactance equals 5 ohms?

 A. 0.2 ohms B. 3.5 ohms C. 4.6 ohms D. 13 ohms