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:
JEE MAIN 2023, Medium
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