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Phasor Diagrams in AC Circuits

A capacitor o...

Question

A capacitor of $10 μ F$ has a potential difference of $40 v o l t s$ across it. If it is discharged in $0.2 s e c o n d,$ the average current during discharge is

A

2 m A

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B

4 m A

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C

1 m A

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D

0.5 m A

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Solution

The correct option is B $2 m A$
Current $I = \frac{q}{t} = \frac{C V}{t} = \frac{(10 \times 10^{6}) \times 40}{0.2} = 2 \times 10^{- 3} A$

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