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A battery supplies 150 W and 196 W power...

A battery supplies 150 W and 196 W power to two resistors of `6 Omega` and `4 Omega` when they are connected separately to it. The internal resistance of the battery is

A

`2 Omega`

B

`2.5 Omega`

C

`0.5 Omega`

D

`1 Omega`.

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