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Formation of Natural Magnets

which of the ...

Question

which of the following shows tht the earth behaves as a magnet?
a) repulsion between like poles
b) attraction between unlike poles
c) exixtence of null points in the magnetic field of a bar magnet.
d) non-existence of monopoles.
Give reasons of your answer.

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Solution

attraction between unlike pole.
reason:when we suspend a magnet freely it always align itself in one direction.

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Similar questions

Q. Assertion(A): Repulsion is the sure test for magnetism.
Reason(R): Attraction can occur between two unlike poles of a magnet and also between a magnet and a magnetic material.

Explain about repulsion between similar poles of 2 magnets. Is it a pull or a push?

Q. Fill in the blanks with the appropriate word.
(a) If a bar magnet is hung by a thread tied at its centre, its north pole becomes steady in the direction of the ................ Pole of the earth.
(South, north, east, west)
(b) If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ........... bar magnets are formed, and a total of ................ poles are formed.
(6,3,2)
(c) There is repulsion between the .......... poles of a magnet, and attraction between its ............ poles.
(opposite, like.)
(d) When magnetic material is taken close to a magnet, the material acquires ............... .
(permanent magnetism, induced magnetism)
(e) If a magnet attracts a piece of metal, that piece must be made of ............. .
(any other metal but iron, magnetic material or iron, non-magnetic material)
(f) A magnet remains steady in a .............. direction.
(east-west, north-south)

Match the following.

‘A’			‘B’
(a)		Compass		1.		Maximum magnetic strength
(b)		Cupboard		2.		Like poles
(c)		Repulsion		3.		Bar magnet
(d)		Magnetic poles		4.		Magnetic needle

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

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