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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The induced voltage across a stationary conductor in a stationary magnetic field is

zero
reversed in polarity
increased
decreased

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

Permanance
Pole strength
Reluctance
Resistance

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Magnetism and Electromagnetism
The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is

2,000 V
3,125 V
1,000 V
31.25 V

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Magnetism and Electromagnetism
What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it?

0.3 AT
30 AT
3 AT
300 AT

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Magnetism and Electromagnetism
Which of the following is a vector quantity?

Magnetic potential
Magnetic field intensity
Relalative permeability
Flux density

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Magnetism and Electromagnetism
Indicate which of the following material does not retain magnetism permanently.

Soft iron
None of the listed here
Hardened steel
Stainless steel

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MORE MCQ ON Magnetism and Electromagnetism

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