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Capacitor in an AC Circuit

A capacitor '...

Question

A capacitor 'C' is connected across a D.C. source, the reactance of capacitor will be _________.

A

ZERO

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B

HIGH

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C

LOW

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D

INFINITE

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Solution

The correct option is D INFINITE
Frequency of a source voltage $f = 0$
Reactance of capacitance $X_{C} = \frac{1}{2 π f C}$
$⟹ X_{C} = \infty$
Correct answer is option D.

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