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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The unit for reluctance is

Wb
tesla
At/Wb
At/m

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Magnetism and Electromagnetism
When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage

increases
reaches zero
remains constant
decreases

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Magnetism and Electromagnetism
The unit for permeability is

At/Wb
Wb
At/m
Wb/At × m

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

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

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Magnetism and Electromagnetism
The relative permeability is less than unity is case of

Diamagnetic material
Ferrits
Paramagnetic material
Ferromagnetic material

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Magnetism and Electromagnetism
What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2?

91 T
91.7 T
9.7 T
917 T

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MORE MCQ ON Magnetism and Electromagnetism

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