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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.
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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 ............................. .

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1. magnets, magnetites, and, lodestone, natural, are
2. substances, are attracted, magnetic, by a magnet
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Q. what happends if a freely suspended bar magnet is disturbed aligned along the east -west direction

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