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A resistance of 4Omega and a wire of len...

A resistance of `4Omega` and a wire of length 5 m and resistance `5Omega` are joined in series and connected to a cell of emf 10 V and internal resistance `1Omega`. A parallel combination of two identical cells is balanced across 3 m of the wire. The emf E of each cell is ltBrgt

A

1.5 V

B

3.0 V

C

0.67 V

D

1.33 V

Text Solution

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The correct Answer is:
B
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