Question

Two cells having the internal resistance 0.2 ohm and 0.4 ohm are connected in parallel

Answer 1

1/ R = 1/0.2 + 1/0.4

1/R = 10/2 + 10/4

1/R = (10/4) (2+1)

4/R = 10*3

R = 4/30

R = 0.133 ohm

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