A battery of six cells each of e.m.f . 2V and internal resistance `0.5Omega` is being charged by D.C. mains of e.m.f. 220V by using an external resist
A battery of six cells each of e.m.f . 2V and internal resistance `0.5Omega` is being charged by D.C. mains of e.m.f. 220V by using an external resistance of `10Omega`. What is the potential difference across the battery?
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