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The internal resistance of a 2.1 V cell ...

The internal resistance of a `2.1 V` cell which gives a current `0.2 A` through a resistance of `10 Omega`

A

`0.2Omega`

B

`0.5Omega`

C

`0.8Omega`

D

`1.0Omega`

Text Solution

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The correct Answer is:
B
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