Question

Two identical cells whether joined in series or in parallel give the same current when connected to an external resistance of 1 ohm. Find internal resistance of each cell.

Answer 1

Answer:

2

Explanation:

in series combination I=nE/nR+r

in parallel combination

I=nE÷nr+R

according to question....I series=I parallel

so..nE÷nR+r=nE÷nr+R

so.nR+r=nr+R

so r=R=2

thank u

Answer 2

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