Physics, asked by sibantoni, 1 month ago

Pls give me some MCQ on chapter Fun with Magnets​

Answers

Answered by gupteswars548
1

Answer:

Question 1.

Which is an example of a magnetic substance?

(a) Iron

(b) Nickel

(c) Cobalt

(d) All of these

Question 2.

Magnets have a shape

(a) cylindrical

(b) ball ended

(c) horse shoe

(d) all of these

Answer: (d) All of these

Explanation:

All of these are attracted towards a magn

Answer

Answer: (d) all of these

Explanation:

Magnets may be of various shapes including bar magnets.

Question 3.

When a bar magnet is brought near iron dust, most of the dust sticks

(a) near the middle

(b) equally everywhere

(c) near two ends

(d) at the middle and ends

Answer: (c) near two ends

Explanation:

Magnetic field intensity is maximum at the poles of a bar magnet.

Question 4.

A freely suspended bar magnet rests in

(a) north-south directions

(b) east-west directions

(c) upside down

(d) any direction by chance

Answer

Answer: (a) north-south directions

Explanation:

A bar magnet always rests in N-S directions when suspended freely.

Question 5.

Attraction is seen between the poles of two bar magnets in the case of

(a) N-pole of one magnet with N-pole of other

(b) N-pole of one magnet with S-pole of other

(c) S-pole of one magnet with S-pole of other

(d) all of these cases will show attraction

Answer

Answer: (b) N-pole of one magnet with S-pole of other

Explanation:

Unlike poles attract and like poles repel each other.

Question 6.

Which is a natural magnet?

(a) Magnetite

(b) Haemetite

(c) Bakelite

(d) Copper

Answer

Answer: (a) Magnetite

Explanation:

Magnetite is a natural magnet.

Question 7.

Choose the wrong statement

(a) Heat can destroy magnetic properties of a magnet.

(b) Magnets are made up of different materials and different shapes.

(c) There is a maximum attraction in middle of a magnet.

(d) Magnetite does not show magnetic properties.

Answer

Answer: (d) Magnetite does not show magnetic properties.

Explanation:

Magnetite does not show magnetic properties.

Explanation:

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Answered by YugankTyagi
0

Explanation:

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