Capacitors electronic interview question

46.

How long would it take the capacitor in the given circuit to completely charge if the switch was in position 1?

A.     22 ms
B.     69 ms
C.     345 ms
D.     440 ms
Answer & Explanation

Answer: Option C

Explanation:

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47.

An 8 V power source is charging a capacitor. How many volts will be across the capacitor at the second time constant?
A.     1 volt
B.     3 volts
C.     5 volts
D.     7 volts
Answer & Explanation

Answer: Option D

Explanation:

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48.

The material used between the plates of a capacitor is called its:
A.     insulation material
B.     dielectric material
C.     separation material
D.     plate-divider material
Answer & Explanation

Answer: Option B

Explanation:

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49.

When a circuit consists of a capacitor and a resistor in series with a voltage source, and the voltage across the resistor is zero, then the capacitor is:
A.     charging
B.     discharging
C.     fully charged
D.     fully discharged
Answer & Explanation

Answer: Option C

Explanation:

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50.

Which material has the highest dielectric strength?
A.     Air    B.     Paper
C.     Mica    D.     Oil
Answer & Explanation

Answer: Option C

Explanation:

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