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Making of Magnets

Which of the ...

Question

Which of the following statements is/are correct?
1. Magnets attract gold rings.
2. By heating, magnets lose their magnetic properties.
3. A freely suspended magnet rests in East-West direction.

A

1 and 2 only

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B

2 and 3 only

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C

2 only

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D

3 only

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Solution

The correct option is C 2 only
Magnets attract magnetic materials like iron, cobalt and nickel but do not attract non-magnetic materials like gold, silver etc.
Thus, statement 1 is incorrect.
Manets lose their magnetic properties by heating, hammering and dropping from a height.
Thus, statement 2 is correct.
A freely suspended magnet rests in the North - South direction. Thus, statement 3 is incorrect.
Hence, only statement 2 is correct.

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Similar questions

Q. Which of the following statements is/are correct?
1. Magnets attract gold rings.
2. By heating, magnets lose their magnetic properties.
3. A freely suspended magnet rests in East-West direction.

Q. A freely suspended magnet comes to rest in the
(a) north-south direction.
(b) north-east direction.
(c) north-west direction.
(d) east-west direction.

Q. Fill in the blanks:
1. Materials which are attracted by magnets are called ............................. substances.
2. A magnet always comes to rest in the ............................. direction when suspended freely.
3. The regions on a magnet where the attraction power of the magnet is maximum are called ............................. of the magnet.
4. Like poles ............................. and unlike poles ............................. each other.
5. Artificial magnets are made in different shapes such as ............................. and ............................. .
6. Sailors use ............................. to find direction.
7. Paper is not a ............................. .
8. Magnetic poles always exist in ............................. .

Q. Put the phrases in the correct order to make sentences:

1. magnets, magnetites, and, lodestone, natural, are
2. substances, are attracted, magnetic, by a magnet
3. the poles, ends of a, are called, magnet, the two
4. north-south, freely, direction, towards the, always points, suspended magnet

Q. what happends if a freely suspended bar magnet is disturbed aligned along the east -west direction

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