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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The unit of relative permeability is

None of the listed here
Its dimensionless
Hennry/meter
Hennry

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Magnetism and Electromagnetism
Substances which have permeability less than the permeability of free space are known as

Bipolar
Paramagnetic material
Ferro magnetic material
Diamagnetic material

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Magnetism and Electromagnetism
For which of the following materials the net magnetic moment should be zero?

ferrimagnetic materials
diamagnetic materials
antiferrimagnetic materials
antiferromagnetic materials

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Magnetism and Electromagnetism
Susceptibility is positive for

diamagnetic substances
None of these
ferromagnetic substances
non-magnetic substances

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Magnetism and Electromagnetism
When a solenoid is activated, the force that moves the plunger is

a steady current
a permanent magnetic field
an electromagnetic field
varying voltage

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Magnetism and Electromagnetism
Fleming's left hand rule is used to find

Polarity of a magnetic pole
Direction of force on a current carrying conductor in a magnetic field
Direction of flux in a solenoid
Direction of magnetic field due to current carrying conductor

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