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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The materials are a bit inferior conductors of magnetic flux than air.

None of the listed here
Ferromagnetic
Diamagnetic
Dielectric

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

Permanance
Pole strength
Resistance
Reluctance

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

Brass
Zinc
Copper
Ebolite

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Magnetism and Electromagnetism
What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ?

22 x 10"8 N
22 x 10"7 N
22 x 10"5 N
22 x 10-6 N

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Magnetism and Electromagnetism
The unit for reluctance is

Wb
At/Wb
At/m
tesla

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Magnetism and Electromagnetism
The stray line of magnetic flux is defined as

The mean length of a ring shaped coil
A line of magnetic flux which does not follow the designed path
A line of magnetic flux in a non-uniform field
A line vertical to the flux lines

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