Making a Magnet

Q.

What magnet is stronger than Neodymium?

Q. is a sure test for magnetism.

1. Induction
2. Attraction
3. Repulsion

Q.

What is an artificial magnet? State two reasons why do we need artificial magnets.

Q.

'Induced magnetism is temporary'. Comment on this statement.

Q.

Explain what do you understand by magnetic induction. What role does it play in attraction of a piece of iron by a magnet ?

Q.

Define natural magnets and artificial magnets.

Q.

Give two examples of artificial magnets and natural magnets.

Q. What is the difference between Horseshoe magnet and U shaped magnet .........?????
Answer with diagram is needed.

Q.

Explain the following :

(a) When two pins are hung by their heads from the same pole of a magnet, their pointed ends move apart.

(b) Several soft iron pins can cling, one below the other, from the pole of a magnet.

(c) The north end of a freely suspended magnetic needle gets attracted towards a piece of soft iron placed a little distance away from the needle.

Q.

Explain the term induced magnetisum.

Q. Simple experiments on magnetic levitation done at home

Q.

A magnetic ______ is a simple device based on the property of direction of a magnet.

Q.

Differentiate between the temporary magnet and permanent magnet.

Q.

Distinguish between permanent and temporary magnets.

Q.

____________ magnets can be made in any size or shape.

Q.

I want worksheet for magnetism chapter for practice

Q.

Define magnetic induction

Q.

Draw neat diagrams of four artificial magnets.

Q. A small iron bar is kept near the north pole of a bar magnet. How does the iron bar acquire magnetism? Draw a diagram to show the polarity on the iron bar. What will happen if the magnet is removed?

Q. When ___ strikes at a piece of iron ore, a permanent magnet is formed.

Q. how a magnetic compass and dip circle align itself at poles and equator? explain.

Q.

The magnetism acquired by a magnetic material when it is kept near (or in contact with) a magnet, is called ____________________.

1. temporary magnetism

2. induced magnetism

3. Induction

4. permanent magnetism

Q.

A magnet always aligns itself in the north-south direction when suspended freely.

1. True
2. False

Q. A compass responds to the magnetic field of .

1. the Earth
2. ferrous objects
3. magnetic materials

Q.

Use the following information to answer the next question.

The needle inside a compass box always comes to rest in a particular direction.

The direction indicated by a compass needle when it comes to rest is

1. East-West

2. Northwest-Southeast

3. North-South

4. Northeast-Southwest

Q.

Differentiate between temporary and permanent magnets.

Q.

………….. is the sure test of magnetism for a magnet.

Q.

how to use magnetic compass

Q.

'Induced magnetism is temporary'. Comment on this statement.

Q.

Why is repulsion considered as a surest test of magnetism?