Question

Intensity of magnetisation is *



Magnetic moment per unit area

Magnetic moment per unit length

Magnetic moment per unit volume

None of these​

Answer 1

Answer:

ANSWER

Given : Area of the bar magnet A=1cm

2

=10

−4

m

2

Length of the magnet L=12cm=0.12 m

∴ Volume of the magnet V=AL=10

−4

×0.12=1.2×10

−5

m

3

Intensity of magnetization I=

V

M

where M is the magnetic moment

∴ 5×10

4

=

1.2×10

−5

M

⟹M=0.6 Am

2

Answer 2

Answer:

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