Question

1.) what principle related to magnet is shown in the diagram?
2.) What is the polarity at X and Y
3.) Why does pin P4 fall off?

Answer 1

ans 2☆

what principle related to magnet is shown in the diagram?

The following are the basic principle of magnetism: The magnet has two poles and they are the south pole and the north pole. The magnetic force of lines never intersects each other. The magnetic force can be either attractive or repulsive.