Current Electricity and Electrical InstrumentHard
Question
The emf of a cell is balanced at 52 cm length of the potentiometer wire. If 5 ohm resistance is inserted from the resistance box connected with the cell, then balancing length obtained is 40 cm. The internal resistance of the cell will be :-
Options
A.1.5 ohm
B.2.0 ohm
C.1.8 ohm
D.3.0 ohm
5 = 1.5 ΩTopic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
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