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Q.

Six identical cells are connected as shown in the circuit. The total e.m.f is

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a

1.5V

b

4.5 V

c

9V

d

6V

answer is D.

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Detailed Solution

In series connection of cells, the total emf is equal to sum of individual emf’s.

 

 

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 In parallel connection of cells, the total emf is equal to individual emf of cell.

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