Question

Why are the pole pieces of a horseshoe magnet in a moving coil galvanometer made cylindrical in shape?​

Answer 1

Answer:

The U shape makes the magnet stronger by pointing the poles in the same direction. Originally created as a replacement for the bar magnet, this shape has become the universal symbol for magnets. It can be used to pick up metal objects of any size depending on the strength of the horseshoe magnet.

further

refer to above picture.....

Answer 2

Answer:

To increase the field area of the magnetic field

Explanation: