Magnetic Field and Field Lines

IMPORTANT

Magnetic Field and Field Lines: Overview

This Topic covers sub-topics such as Magnet, Domains, Magnetic Field, Bar Magnet, Magnetic Field Lines, Properties of Magnetic Field Lines, Lodestone, Poles of Magnet, Properties of Bar Magnet, Pole Strength and, Domain Theory

Important Questions on Magnetic Field and Field Lines

EASY
IMPORTANT

Explain the origin of magnetism in magnets.

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IMPORTANT

Explain how the relative orientation of the domains renders magnetism to a substance. 

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What was used in the olden days to find the direction?

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IMPORTANT

Explain domain theory of magnetism.

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Explain the reason for the reduction of magnetism of a magnet while heating using domain theory.

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Two magnetic field lines can never ever intersect.

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A freely suspended magnet always rests pointing in the North-South direction. This property is called _____ property.

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An electric field has a direction, but a magnetic field does not.

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Write unit of pole strength.

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Name the magnet which is in the shape of a rectangular bar.

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Magnets made by man are called _____ (natural magnets/artificial magnets).

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Magnetic field.

MEDIUM
IMPORTANT

Can you isolate the poles of a magnet? Explain.

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Why are magnets placed along the doors of cars and refrigerators?

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The space around the magnet where its effect is felt is called.

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How many poles does a magnet have?

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In case of a bar magnet, magnetic field lines:

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A force between iron nails and a magnet is an example of: