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In the given circuit, if the potential d...

In the given circuit, if the potential difference across the internal resistance `r_1` is equal to E, then the resistance R is equal to:

A

`r_1+r_2`

B

`r_1/r_2`

C

`r_1-r_2`

D

`r_2/r_1`

Text Solution

Verified by Experts

`(2Er_1)/(r_1+r_2+R)=E implies R=r_1-r_2`
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