Question

give me answer of this question ​

Answer 1

3. when like poles will be brought closer to each other, we are likely to see repulsion between the two magnets

4. magnet x floats above y bcz they might have inserted the magnets in the pencil with their like poles on same side

Answer 2

Answer: (D.A.V.)

3:-

• If we bring the bar magnet near the freely suspended magnet where the poles are same, we can observe that they repel each other and the freely suspended magnet moves to the other direction. (Attachment 1)
• This change happens due to same sides meet together. If they meet with unlike poles, they will attract each other.

4:- (A little modification required)

• In the diagram, we've seen that in the diagram, a pencil is penetrated between the Magnets.
• And their are same in shape i.e. they are congruent to each other.
• Thus, we can tell that they are in unlike poles.
• Hence, they float each other. (Attachment 2)
• They repel each other because the like poles meet with each other.

5:-

Activity::--

Materials Required:

• Knitting Needle (Steel)
• Copper wires
• Battery (Containing cells)

Procedure:

• At first, we have to turn the copper wire around the knitting needle.
• Then we have to connect with it with the battery. (Note: The more the energy flows through it, the power of attracting metals increases.)
• Be sure that the needle has a handle made up of a insulator (rubber) {It is very important to protect your body from high flowing energy.}
• Switch on the battery and take the metal objects near the magnet.

Observation:

We can now observe that the magnet (temporary) attracts metal objects.

Note: The magnet is temporary because when the energy will stop flowing, it will loose it's magnetic property.

Thanks!!