Question

3. Ama
The loc
Answer the following in not more than 40 words.
2. How do you know that the earth behaves like a huge bar magnet?
3. Write about the uses of magnetism.
4. What happens when you dip a bar magnet in a pile of pins? Why?
Answer the following in not more than 100 words.
1. Describe the construction and working of a magnetic compass
magnet and a bar of a magnetic material by using this test?
Complete the following.
1. The north pole of a compass needle points towards the
therefore, approximately towards its .......
... north pole.
... an alloy of aluminium, nickel and cobalt, is commonly used to make magnets
3. A freely suspended bar magnet always points in the ...... direction.
in a magnet where its magnetism is the strongest are called the ......
1. A permanent magnet becomes weak with time. What can be done to prevent this
2. Why is it said that repulsion is a sure test of magnetism? How would you distinguisto
south pole of the​

Answer 1

Answer:

OMG

such a big question