Magnets are used in _______ for generating electricity.

Fill in the Blanks

Magnets are used in dynamos for generating electricity.

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Chapter 7: Magnetism - Exercises [Page 81]

Chapter 7 Magnetism
Exercises | Q II. 3. | Page 81

Write true or false for a given statement.

A current-carrying coil, when suspended freely, can rest in any direction.

Name four appliances which work using electricity ?

Fill in the blank.

Magnetic poles always exist in ...............

Define the following term regarding a bar magnet:

Magnetic field

Distinguish between the two methods of making artificial magnets.

Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic south.

Define the following term:
Angle of declination

Give scientific reason:

Not attraction but repulsion is a sure test of magnetism.

With the help of a diagram explain the following:

Magnetisation of an iron bar by a single touch method.

One of the following is an example for a permanent magnet.