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Q)

A $220\;V$ A.C supply in connected between points A and B as shown in the figure . What will be the potential difference V across the capacitor ?

$\begin{array}{1 1} 200\;v \\ 110\;v \\ 0\;v \\ 220 \sqrt{2}v \end{array} $

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A)
Solution :
During positive half cycle p-n junction diode conducts .
Potential difference across capacitor= peak Voltage of the given a.c supply $=V_o=V_{rms} \sqrt 2 = 220 \sqrt 2 V$
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