Question

how can sensitivity of potentiometer be increased

Answer 1

By increasing the length of potentiometer wire & by decreasing the potential gradient

Answer 2

Answer:

$i \: hope \: it \: helps \: you$

So, sensitivity of the galvanometer can be increased either by increasing the number of turns (N), using strong magnets or increasing the area of the coil (A). So, the correct answer is that the sensitivity of a moving coil galvanometer can be increased by increasing the number of turns of the coil.