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The minimum number of cells in mixed gro...

The minimum number of cells in mixed grouping required to produce a maximum current of 1.5A through an external resistance of `30Omega`, given the emf of each cell is 1.5 V and internal resistance is `1Omega` is

A

30

B

120

C

40

D

60

Text Solution

Verified by Experts

The correct Answer is:
B
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