Current Electricity and Electrical InstrumentHard

Question

In the following circuit the resultant e.m.f. between AB is :-
                                 

Options

A.E1 + E2 + E3 + E4
B.E1 + E2 + 2E3 + E4
C.E1 + E2 + + E4
D.E1 + E2 + + E4

Solution

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