Current Electricity and Electrical InstrumentHard
Question
In a potentiometer arrangement, a cell of emf 1.25V gives a balance point at 35.0 cm length of the wire. If the cell is replaced by another cell and the balance point shifts to 63.0 cm, the emf of the second cell :-
Options
A.2.0V
B.2.25V
C.1.75V
D.2.5V
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