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MAGNETISM AND ELECTROMAGNETISM

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

Increase
Is zero
None of the listed here
Decrease

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

Paramagnetic
None of the listed here
Ferromagnetic
Diamagnetic

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Magnetism and Electromagnetism
A permeable substance is one

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

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Magnetism and Electromagnetism
A magnetic field exists around

Copper
Moving Charges
Iron
Aluminium

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Magnetism and Electromagnetism
Temporary magnets are used in

All of the listed here
Motors
Generators
Loud speakers

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