Question

A magnetic pole of bar magnet with pole strength of 100 Am is 20 cm away from the center of a bar magnet.Bar magnet has pole strength of 200 Am and has a length 5cm. if the magnetic pole is on the axis of the bar magnet find the force on the magnetic pole ​

Answer 1

Answer:

How is a compass used to find directions?

4. Write two methods by which a magnet can be demagnetised.

5. 5.It is said that repulsion is a sure test for magnetism. Why is it so?

Task 1.

1.A bar magnet has no markings to indicate its poles. How would you find out near which end is its north pole

located?

2.Few iron nails and screws got mixed with the