# Electronics - Capacitors

### Exercise :: Capacitors - General Questions

61.

The strength of an electric field at a given point is proportional to the potential difference on the plates and inversely proportional to the:

 A. plate separation B. negative plate only C. field strength D. charge difference

Explanation:

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62.

How is ac current related to ac voltage in a purely capacitive circuit?

 A. AC current is 0.707 of the ac voltage. B. AC current lags ac voltage. C. AC current is 0.637 of the ac voltage. D. AC current leads ac voltage.

Explanation:

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63.

What is the voltage across the capacitor? A. 7.07 V B. 1.11 V C. 111 mV D. 7.07 mV

Explanation:

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64.

For a given charge difference, electrostatic field strength varies according to:

 A. plate differential B. plate area C. plate distance D. dielectric quantity

Explanation:

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65.

A capacitor has 25 V across its plates and a stored charge of 1500 C. What is the capacitance value?

 A. 60 pF B. 60 F C. 16.67 mF D. 37.5 mF