Electronics - Capacitors

Exercise :: Capacitors - General Questions

36. 

What is the capacitive reactance if I = 1 amp, V = 2 volts, C = 5 F, and frequency = 10 Hz?

A. 0.2
B. 0.5
C. 0.02
D. 0.003

Answer: Option D

Explanation:

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37. 

What is wrong with a leaky capacitor?

A. It is open.
B. It is shorted.
C. The dielectric resistance has increased.
D. The dielectric resistance has decreased.

Answer: Option D

Explanation:

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38. 

What is the value of a capacitor labeled 102?

A. 10,000 pF
B. 1000 pF
C. 1000 mu.gifF
D. 10,000 mu.gifF

Answer: Option B

Explanation:

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39. 

If the dielectric constant of a capacitor is decreased, then its capacitance will:

A. increase
B. decrease
C. remain the same
D. be destroyed

Answer: Option B

Explanation:

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40. 

What is the dielectric constant for ceramic?

A. between 6 and 8000
B. 5.0
C. between 5 and 1000
D. 3000

Answer: Option A

Explanation:

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