Why is a magnetic needle used in a compass?

Important Questions on Properties of a Magnetic Field

EASY

7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 19 - Properties of a Magnetic Field>Exercise>Q 3

Explain with the help of a diagram how the intensity and direction of the magnetic field of a bar magnet can be determined.

EASY

7th Maharashtra Board

IMPORTANT

General Science Standard Seven>Chapter 19 - Properties of a Magnetic Field>Exercise>Q 4

Give detailed information about how the merchants of olden times used a magnet while travelling.