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Byju's Answer
Standard XIII
Physics
Capacitive Reactance
A capacitor i...
Question
A capacitor is a perfect insulator for
A
Alternating currents
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B
Direct currents
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C
Both ac and dc
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D
None of these
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Solution
The correct option is
B
Direct currents
X
C
=
1
ω
C
=
1
2
π
v
C
; For dc v = 0,
∴
X
C
=
∞
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