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Question

Six lead-acid type of secondary cells each of emf 2.0 V and internal resistance of 0.015 are joined in series to provide a supply to a resistance of 8.5 . What are the current drawn from the supply and it's terminal voltage?

A
11.8749
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B
12.8749
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C
13.1749
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D
10.5749
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Solution

The correct option is A 11.8749
VT=VirVT=121.39×0.09VT=11.8749

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