Q.

Magnetic field intensity is defined as

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a

Magnetic induction force acting on a unit magnetic pole

b

Number of lines of force crossing per unit volume

c

Magnetic moment per unit volume

d

Number of lines of force crossing per unit area

answer is B.

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Detailed Solution

Number of lines of force passing through per unit area normally is intensity of magnetic field, hence option (c) is incorrect. The correct option is (b).

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