In circuit shown if emf of source at an instant is 5, V , potential difference across capacitor at s

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7.Alternating Current

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In the circuit shown if the $emf$ of source at an instant is $5\, V$, the potential difference across capacitor at the same instant is $4\, V$. The potential difference across $R$ at that instant may be .....$V$

A

$3$

B

$9$

C

$\frac{3}{{\sqrt 2 }} $

D

none

Solution

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Standard 12

Physics

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