Question # 1

When electric current flows through an object it becomes a magnet. Such magnet is called.

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Permanent magnet

Temporary magent

Elecromagent

Non magnet

The needlcompass is always there

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To the North and south direction

To the West and south direction

To the North and East direction

To the North and West direction

Electromagnets are used in

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Elecric bell

Speaker

Dynamo

All above

Whcih will not cause a magnet lose its magnetism.

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Heating it

Droppingit repeatedly

Coating it with oil

Hitting it

The ends of magnet are called its.

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Heads

Terminals

Poles

Sides

The space around a magenet where it can attract magnetic materials.

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Electric field

Magnetic field

Magnetic pole

Magnetic core

In which things of the followign electromagnet does nto pull toward itself.

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Iron

Nickle

Wood

Cobalt

How may poles are there on a ring shaped magnet.

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1

2

3

4

A magnet can lose its magnetc peroperty it is called.

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Magenetism

Demagnetization

Magnetic field

None of these

The region around a magnet where it can attract magnetic materials is called.

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Magnetic compass

Magneti field

Magnetic lines

Magnetism

A magnet can attract objects made of

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Silver

Aluminum

Iron

Copper

The direction of the Qibla is determined by

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Emitter

Armature

Magnetic Compass

Electromagnet

Magnet is not used in

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A dynamo

An electric bell

A speaker

A heater

A freely suspended bar magenet always stays along.

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East west direction

North south direction

Any direction

Keeps oscillating

Magnets are of.......... types.

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2

3

4

5

Glass is an example of

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Non magnetic materials

Magnetic materials

Permanent magnet

Temporary magent

Which will not increase the strenght of an electromagnet.

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Adding an iron core

Adding a plastic core

Coiling the wire

Increasing the current

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