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Two batteries A and B each of e.m.f. 2V ...

Two batteries A and B each of e.m.f. 2V are connected in series to an external resistance `R = 1 Omega`. If the internal resistance of battery A is `1.9 Omega` and that of B is `0.9 Omega`. What is the potential difference between the terminals of battery A ?

A

2 V

B

3.8 V

C

zero

D

none of these.

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