A condenser of capacity $1 p F$ is connected to an A.C source of $220 V$ and $50 H z$ frequency. The current flowing in the circuit will be

6.9 \times 10^{- 8}

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6.9

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6.9 \times 10^{- 6}

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zero

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Solution

The correct option is B $6.9 \times 10^{- 8}$ A
$i_{r m s} = \frac{V_{r m s}}{1 / ω C}$
$= 200 \times 2 π \times 50 \times 10^{- 12}$ $(∵ ω = 2 π f)$
$= 6.9 \times 10^{- 8}$ A

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A condenser of capacity 1pF is connected to an A.C source of 220V and 50Hz frequency. The current flowing in the circuit will be

The correct option is B 6.9×10−8Airms=Vrms1/ωC=200×2π×50×10−12 (∵ω=2πf)=6.9×10−8A

A condenser of capacity $1 p F$ is connected to an A.C source of $220 V$ and $50 H z$ frequency. The current flowing in the circuit will be

The correct option is B $6.9 \times 10^{- 8}$ A
$i_{r m s} = \frac{V_{r m s}}{1 / ω C}$
$= 200 \times 2 π \times 50 \times 10^{- 12}$ $(∵ ω = 2 π f)$
$= 6.9 \times 10^{- 8}$ A