Artificial Magnets

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Artificial Magnets: Overview

This Topic covers sub-topics such as Magnetization, Permanent Magnets and Electromagnets and, Ways to Destroy Properties of Magnet

Important Questions on Artificial Magnets

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A magnet placed on plane has a magnetic field of its own around it ,which decreases on magnitude as _____ ?

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The magnetisation and applied field in ferromagnetic materials are related-

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Hysteresis loop represents the area of:

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A flywheel has a mass of 300kg and a radius of gyration of 1 m. It is given a spin of 100 r.p.m about its horizontal axis. The whole assembly rotates about a vertical axis at 6 rad/sec. The gyroscopic couple experienced will be

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How can you destroy the magnetic properties of a magnet?

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Can you weaken a magnet?

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What can damage a magnet?

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Why use electromagnets instead of permanent magnets?

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Do electromagnets attract permanent magnets?

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What is the difference between electromagnets and permanent magnets?

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Why is magnetism important?

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What is magnetisation of a material?

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What causes magnetization?

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What is magnetization used for?

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What do you call the effect of splitting of a spectral line into several components in the presence of a static magnetic field?

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How to destroy properties of magnet?

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Define electromagnet and permanent magnet in electric field?

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What is magnetization?

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Field lines of a permanent magnet go from north to south.

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Which of the following electromechanical devices uses magnetism?