Physics GK 22 - Magnetism

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In context with electromagnetism, which among the following is a correct definition of Permeability?

Ability of a material to repel magnetic field within itself

Ability of a material to support the formation of a magnetic field within another body

Ability of a material to support the formation of a magnetic field within itself

Ability of a material to create magnetic dipoles

The pointer or arrow of the magnetized needle of a compass indicates which among the following?

Geographic North Pole

Magnetic North Pole

Geo-magnetic North Pole

Magnetic South Pole

The pointer or arrow of the magnetized needle of a compass indicates which among the following?

Geographic North Pole

Magnetic North Pole

Geo-magnetic North Pole

Magnetic South Pole

Which of the following is correct about magnetic field?

Magnetic field has magnitude but no direction

Magnetic field has both magnitude and direction

Magnetic field may or may not have direction

None of the above

Which is the direction of magnetic field inside a magnet?

from south pole to north pole

from north pole to south pole

from north pole till centre of the magnet

None of the above

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