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Magnets

Which of the ...

Question

Which of the following is not a characteristic of a magnet?

A

Attract magnetic materials

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B

Unlike poles attract and like poles repel each other

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C

Monopoles exist in a magnet

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D

When suspended freely, the magnet always rests in the north-south direction.

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Solution

The correct option is C Monopoles exist in a magnet
.Four characteristics associated with magnets are :

Attracts magnetic material

Poles always exist in pairs

Unlike poles attract and like poles attract each other

When suspended freely, the magnet always points in the north-south direction

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Similar questions

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:

When a South pole of a magnet is brought near the North pole of a freely suspended magnetic needle, they both will attract each other.

Fill in the blanks to complete the sentences :

(a) Two ends of a magnet are called ..........

(b) Unlike poles of a magnet ............. each other.

(c) Like poles of a magnet ............ each other.

(d) A freely suspended magnet rests in the geographic ............ direction.

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

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