Current Electricity and Electrical InstrumentHard
Question
When a resistance of 2 ohm is connected across the terminals of a cell, the current is 0.5 A. When the resistance is increased to 5 ohm, the current is 0.25 A. The e.m.f. of the cell is : -
Options
A.1.0 V
B.1.5 V
C.2.0 V
D.2.5 V
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