Question

If the external resistance is equal to the internal
resistance of a cell of emf E. The p.d. across its
terminal is
1) E/2
2) E
3) 2E
4) zero
​

Answer 1

Answer:

3)2E

Explanation:

r=r

E=I[2R]

I=2RE

P.D across cell - P.D across R

iR=2E

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