A) Shorter length of wire
B) Longer length of wire
C) Low\[emf\]of auxiliary battery
D) High\[emf\]of auxiliary battery
Correct Answer: C
Solution :
Null point of a potentiometer can shift beyond the wire if the potential gradient along the potentiometer wire decreases which is possible by having low emf of auxiliary battery.You need to login to perform this action.
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