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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The magnetism left in the iron after exciting field has been removed is known as

susceptance
residual magnetism
permeance
reluctance

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Magnetism and Electromagnetism
Magnetising steel is normals difficult because

it has high specific gravity
it corrodes easily
it has low permeability
it has high permeability

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Magnetism and Electromagnetism
Reciprocal of permeability is

Susceptibility
Permeability
conductance
Reluctivity

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Magnetism and Electromagnetism
Gilbert is a unit of

conductance
permittivity
magnetomotive force
electromotive force

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

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Magnetism and Electromagnetism
An electromagnetic field exists only when there is

decreasing current
current
an increasing current
voltage

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MORE MCQ ON Magnetism and Electromagnetism

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