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Magnetism and Electromagnetism

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

Reluctance
Resistance
Pole strength
Permanance

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Magnetism and Electromagnetism
The magnetic materials exhibit the property of magnetisation because of

orbital motion of electrons
spin of electrons
either of these
spin of nucleus

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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 X
proportional to 7
inversely proportional to I

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Magnetism and Electromagnetism
A permeable substance is one

Through which the magnetic lines of force can pass very easily
Which is a strong magnet
Which is a good conductor
Which is a bad conductor

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Magnetism and Electromagnetism
The direction of a magnetic field within a magnet is

from south to north
front to back
back to front
from north to south

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Magnetism and Electromagnetism
Temporary magnets are used in

All of the listed here
Loud speakers
Generators
Motors

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MORE MCQ ON Magnetism and Electromagnetism

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