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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Which of the following is not a unit of flux?

All of the listed here
Tesla
Weber
Maxwell

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Magnetism and Electromagnetism
Paramagnetic materials have relative permeability

equal to that ferromagnetic mate rials
slightly more than unity
slightly less than unity
equal to unity

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Magnetism and Electromagnetism
Air gap has_______eluctance as compared to iron or steel path

higher
lower
little
zero

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Magnetism and Electromagnetism
Which of the following is a ferromagnetic material?

Nickel
Copper
Aluminium
Tungsten

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

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

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Magnetism and Electromagnetism
The ratio of intensity of magnetisation to the magnetisation force is known as

Flux density
None of the listed here
Relatice permeability
Susceptibility

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