A cell of internal resistance "r" is con...

A cell of internal resistance "r" is connected to an external resistance "R". p.d. will be maximum across "R" if

R = r

`R lt r`

`R gt r`

`R = r//2`

Text Solution

Verified by Experts

The correct Answer is:

`I = E/(r + R)`
For maximum current `R to 0`
i.e. `(R lt r)`

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