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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The unit for reluctance is

At/Wb
At/m
Wb
tesla

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

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

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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
187 At
300 At
18.75 At

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

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

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

antiferrimagnetic materials
diamagnetic materials
antiferromagnetic materials
ferrimagnetic materials

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

All of the listed here
Maxwell
Tesla
Weber

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MORE MCQ ON Magnetism and Electromagnetism

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