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A capacitor charges from a cell through ...

A capacitor charges from a cell through a resistance. The time constant is `tau`. In what time will the capacitor collect `10%` of the final charge?

A

`tau In (0.1)`

B

`tau In (0.9)`

C

`tau In (10//9)`

D

`tau In (11//10)`

Text Solution

Verified by Experts

The correct Answer is:
C
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