Current Electricity and Electrical InstrumentHard
Question
A resistance of 4 Ω and a wire of length 5 m and resistance 5Ω are joined in series and connected to a cell of e.m.f. 10V and internal resistance 1Ω. A Parallel combination of two identical cells is balanced across 300 cm of the wire. The e.m.f. E of each cell is :
Options
A.1.5 V
B.3.0 V
C.0.67V
D.1.33 V
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