1.

Five cells, each with an e.m.f. of 2V and internal resistance of 0.5 Ω are connected in series. The resulting battery will have

A. An e.m.f. of 2V and an internal resistance of 0.5 Ω
B. An e.m.f. of 10V and an internal resistance of 2.5 Ω
C. An e.m.f. of 2V and an internal resistance of 0.1 Ω
D. An e.m.f. of 10V and an internal resistance of 0.1 Ω
Answer» C. An e.m.f. of 2V and an internal resistance of 0.1 Ω


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