Q.
With the help of potentiometer, we can determine
the value of emf of a given cell. The sensitivity of
the potentiometer is
(A) directly proportional to the length of the
potentiometer wire
(B) directly proportional to the potential gradient
of the wire
(C) inversely proportional to the potential gradient
of the wire
(D) inversely proportional to the length of the
potentiometer wire
Choose the correct option for the above statements:
Solution: