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A cell has an emf 1.5V. When connected a...

A cell has an emf 1.5V. When connected across an external resistance of `2Omega`, the terminal potential difference falls to 1.0V. The internal resistance of the cell is:

A

`2Omega`

B

`1.5Omega`

C

`1.0Omega`

D

`0.5Omega`

Text Solution

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The correct Answer is:
C
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