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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The unit of flux is the same as that of

Reluctance
Pole strength
Permanance
Resistance

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Magnetism and Electromagnetism
What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current?

2,400 At
240 At
2.4 At
24 At

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Magnetism and Electromagnetism
The unit of relative permeability is

Hennry
Hennry/meter
None of the listed here
Its dimensionless

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Magnetism and Electromagnetism
The ratio of intensity of magnetisation to the magnetisation force is known as

Flux density
Susceptibility
Relatice permeability
None of the listed here

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Magnetism and Electromagnetism
Temporary magnets are used in

Loud speakers
All of the listed here
Generators
Motors

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

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MORE MCQ ON Magnetism and Electromagnetism

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