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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Gilbert is a unit of

permittivity
magnetomotive force
conductance
electromotive force

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Magnetism and Electromagnetism
A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will

Remain Constant
Be excessive
Decrease
Increase

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Magnetism and Electromagnetism
The relative permeability of materials is not constant.

Diamagnetic
None of the listed here
Paramagnetic
Ferromagnetic

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Magnetism and Electromagnetism
What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it?

200 At
150 At
300 At
100 At

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Magnetism and Electromagnetism
If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage

None of the listed here
Is zero
Decrease
Increase

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Magnetism and Electromagnetism
A permeable substance is one

Which is a bad conductor
Which is a good conductor
Through which the magnetic lines of force can pass very easily
Which is a strong magnet

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MORE MCQ ON Magnetism and Electromagnetism

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