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Question

A 100 pF capacitor is connected to a 50 Hz voltage supply that produces an rms voltage of 110 V. What is the maximum charge that appears on either of the capacitor plates ?

A
1.5×105 C
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B
1.8×105 C
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C
1.2×105 C
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D
2.4×105 C
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Solution

The correct option is A 1.5×105 C
Qmax=CVmax=C(Vrms)2
=100×109×110×2
=1.1×2×105=1.5×105 C

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