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The minimum number of cells in mixed gro...

The minimum number of cells in mixed grouping required to produced a maximum curret of 1A through external resistance of `20Omega` given the emf of each cell is 2 V and internal resistance `1Omega` is

A

25

B

20

C

16

D

30

Text Solution

Verified by Experts

The correct Answer is:
B
No. of cells = `m xx n`
`i_("max") = mR = nr`
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