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Magnetism and Electromagnetism

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

decreased
increased
zero
reversed in polarity

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Magnetism and Electromagnetism
Which of the following is expected to have the maximum permeability ?

Ebolite
Zinc
Copper
Brass

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Magnetism and Electromagnetism
What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m?

10 AT
4 AT
16 AT
8 AT

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Magnetism and Electromagnetism
The relative permeability of materials is not constant.

Diamagnetic
Ferromagnetic
Paramagnetic
None of the listed here

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Magnetism and Electromagnetism
The Biotsavart's law is a general modification of

Kirchhoff's law
Faraday's laws
Lenz's law
Ampere's law

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Magnetism and Electromagnetism
The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is

proportional to X
proportional to 7
inversely proportional to I
proportional to distance between the conductors

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MORE MCQ ON Magnetism and Electromagnetism

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