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Electrical Engineering · all questions

Magnetism And Electromagnetism
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The magnetic materials exhibit the property of magnetisation because of

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A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be

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Main causes of noisy solenoid are

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The most effective and quickest may of making a magnet from soft iron is by

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Gilbert is a unit of

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Which of the following is the unit of magnetic flux density?

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Indicate which of the following material does not retain magnetism permanently.

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The magnetomotive force is

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The relative permeability is less than unity is case of

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A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be

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A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be

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A material which is slightly repelled by a magnetic field is known as

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The change of cross-sectional area of conductor in magnetic field will affect

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The direction of magnetic lines of force is

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Reciprocal of permeability is

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Susceptibility is positive for

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Which of the following materials are diamagnetic?

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Magnetising steel is normals difficult because

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For which of the following materials the saturation value is the highest?

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Magnetic moment is a

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