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Magnetism and Electromagnetism

Magnetism and Electromagnetism
A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be

0.24 N
240 N
2.4 N
24 N

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

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

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Magnetism and Electromagnetism
A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be

2M
M/4
M/2
M

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Magnetism and Electromagnetism
If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density

increases
doubles
remains the same
decreases

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Magnetism and Electromagnetism
The bar magnet has

Dipole moment
Both dipole and monopole moment
Monopole moment
None of the listed here

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Magnetism and Electromagnetism
Tesla is a unit of

Field strength
Inductance
Flux
Flux density

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MORE MCQ ON Magnetism and Electromagnetism

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