EASY
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What is the surest test of magnetism? (Choose from attraction or repulsion).

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Important Questions on Fun With Magnets

EASY

Write three main characteristics of a magnet.

MEDIUM
A square loop of side 2a, and carrying current I is kept in XZ plane with its centre at origin. A long wire carrying the same current I is placed parallel to the z-axis and passing through the point (0, b, 0),(b>> a). The magnitude of the torque on the loop about z-axis is given by.
EASY

Match the following:

Column A Column B
1. S pole-S pole (a) Magnetic compass
2. Paper (b) Magnetic
3. Alnico (c) Repulsion
4. Iron rod (d) Non-magnetic
5. North-South (e) Permanent magnet

 

EASY
Which of the following will help to retain the strength of the magnet?
EASY

What will happen if the North pole of a bar magnet is brought near the North pole of a magnet kept on a table?

MEDIUM
How will you distinguish a bar magnet from an ordinary iron bar with the help of another magnet?
EASY
Which is the sure test of magnetism-attraction or repulsion?
HARD
Prove that repulsion is the sure test of magnetism.
EASY
What kind of poles attract and what type of poles repel each other?
HARD

What happens when the north pole of a permanent magnet is brought near the

north pole of a magnetic needle 

EASY
When we bring like poles of two magnets close to each other, they:
HARD

What happens when the north pole of a permanent magnet is brought near the

south pole of a magnetic needle?

MEDIUM
With the help of an activity prove that like poles of a magnet always repel.  
EASY
How will you show that like poles repel and unlike poles attract?
MEDIUM

Draw simple diagrams in your notebook to show how two bar magnets should be placed (a) to attract each other and (b) to repel each other. You can use the style given here.

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MEDIUM
Why is repulsion considered as the surest test of magnetism?
EASY

You are given a magnet with no markings, indicating its pole. How can you identify its poles by using another bar magnet with markings?

EASY

(a) Name two magnetic poles which attract each other.

(b) Name two magnetic poles which repel each other.