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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

1CT3 and 1CT7
KT3 and 1CT6
KT4 and KT8
10"2 and KT5

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

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

Resistance
Pole strength
Permanance
Reluctance

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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?

150 At
300 At
200 At
100 At

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

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

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Magnetism and Electromagnetism
What is the mmf of a wire with 8 turns carrying three amperes of current?

2.4 AT
0.24 AT
240 AT
24 AT

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MORE MCQ ON Magnetism and Electromagnetism

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