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A charged capacitor of capacitance C is ...

A charged capacitor of capacitance C is discharged through a resistance R. A radioactive sample decays with an average-life `tau`.Find the value of R for which the ratio of the electrostatic field energy stored in the capacitor to the activity of the radioactive sample remains constant in time.

A

`(tau)/(C )`

B

`(2tau)/(C )`

C

`(tau)/(2C)`

D

`(3tau)/(2C)`

Text Solution

Verified by Experts

The correct Answer is:
B
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