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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Which of the following is not a unit of flux?

All of the listed here
Tesla
Maxwell
Weber

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Magnetism and Electromagnetism
Ferrites are materials.

Ferromagnetic
Paramagnetic
None of the listed here
Diamagnetic

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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

Is zero
None of the listed here
Decrease
Increase

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Magnetism and Electromagnetism
Paramagnetic materials have relative permeability

equal to unity
slightly less than unity
equal to that ferromagnetic mate rials
slightly more than unity

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

30 At
300 At
18.75 At
187 At

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Magnetism and Electromagnetism
The materials having low retentivity are suitable for making

Weak magnet
None of the listed here
Permanent magnet
Temporary Magnet

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MORE MCQ ON Magnetism and Electromagnetism

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