13the ans shud be d option...
c if u tak n=1 ....it gives emf to be 0 ...not possible ....so ...u hav ur ans
i hv seen this ques sumwhr else too
N identical cells of emf E and internal resistance R are joined in series to form a closed circuit. One cell A is joined with reverse polarity. V across each cell except A is :
a) 2E/N
b) (N-1)E/N
c) NE/(N-1)
d) (N-2)E/N
ans given is a
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1 Answers
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