Current Electricity and Electrical InstrumentEasy
Question
The emf of a standard cell is balanced at 150 cm length of a potentiometer wire. When this cell is shunted by a 2ohm resistance, the null point is obtained at 100 cm. The value of internal resistance of the cell is :-
Options
A.0.1 ohm
B.1 ohm
C.2 ohm
D.0.5 ohm
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