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A battery of e.m.f. 10 V and internal re...

A battery of e.m.f. `10 V` and internal resistance `0.5 ohm` is connected across a variable resistance `R`. The value of `R` for which the power delivered in it is maximum is given by

A

`2.0 ohm`

B

`0.25 ohm`

C

`1.0 ohm`

D

`0.5 ohm`

Text Solution

Verified by Experts

The correct Answer is:
D
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