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Question

# For the figure given below, find the effective potential difference when the batteries are connected in series.

A

25 volts

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B

26 volts

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C

24 volts

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D

20 volts

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Solution

## The correct option is A 25 volts In the circuit diagram, the cells are connected in series. In a series combination of cells, the total potential difference is the sum of potential differences of all the individual cells. Effective potential difference = V1+ V2+ V3+ V4+ V5 Effective potential difference = 5V +7V +8V +4.2V +0.8V = 25V

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