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Characteristics of a Magnet

Which among t...

Question

Which among these is not true for magnets?

A

Poles can exist as monopoles

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B

Unlike poles attract each other

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C

Like poles repel each other

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D

A magnet always points in the north-south direction when held freely.

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Solution

The correct option is A
Poles can exist as monopoles

Poles always exist in pairs in a magnet

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Similar questions

Q. State whether True or False :

Like poles repel each other and unlike poles attract each other.

Q. Why like poles repel each other and unlike poles attract each other?

Q. poles, attracts, east-west, north-south like, opposite, repel, magnetic
Fill in the blanks in the following passage(s) from the words given above.

A magnet ........1......... small pieces of iron, nickel, cobalt. etc. The magnetic force of attraction is maximum in small regions near the ends of the magnet. These are called the ........2........of the magnet.
A freely suspended magnet always points in ......3...... direction. The end pointing towards north is called north seeking pole or north pole. The other end which points towards south is called south seeking pole or south pole. All magnets attract ...........4.......... poles of other magnets and also a few substances like iron, nickel and cobalt. Thus if an unknown substance is attracted by a magnet, we cannot be sure whether it is a magnet. But like poles of magnet ....,....5............ each other. Hence if there is repulsion between an unknown substance and a magnet, we can be sure that the unknown substance is a magnet. The substances which are attracted by magnets are called ......6...... substances.

Q. When a Magnetic needle is suspended freely, it always aligns itself in the direction of magnetic north and south pole of the earth, the north pole of the needle gets attracted towards the magnetic south pole of the earth and the south gets repelled equally away from it. So two equal and opposite forces acting on the needle should cancel each other which does not happen because the:

Two like magnetic poles :

(a) repel each other

(b) attract each other

(c) first attract each other, then repel

(d) neither attract nor repel.

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