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Magnetism and Electromagnetism

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

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

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Magnetism and Electromagnetism
What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb?

6,000 T
6 T
600 T
600 T

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Magnetism and Electromagnetism
A magnetic field exists around

Moving Charges
Aluminium
Iron
Copper

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Magnetism and Electromagnetism
When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle

will be zero
will depend on the amount of e.m.f. applied
will depend on the radius of the circle
will be infinite

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Magnetism and Electromagnetism
The force between two long parallel conductors is inversely proportional to

Current in one conductor
Radius of conductor
Product of current in two conductors
Distance between the conductors

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Magnetism and Electromagnetism
The relative permeability is less than unity is case of

Ferromagnetic material
Ferrits
Diamagnetic material
Paramagnetic material

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MORE MCQ ON Magnetism and Electromagnetism

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