Question

How sensitivity of M.C.G can be increased

Answer 1

Increase the turns on the coil. - Increase the electromagnetic field strength that produces the torque on the movement, deflecting the pointer.

Use a more powerful magnet. - Increases the magnetic field strength allowing more torque on the movement.

Use a smaller taut band or hair spring. - Decreases the amount of torque needed to deflect the pointer

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Answer 2

Explanation:

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.