Magnetism Question 176

Question: Magnetic field intensity is defined as

[MP PET 1993]

Options:

A) Magnetic moment per unit volume

B) Magnetic induction force acting on a unit magnetic pole

C) Number of lines of force crossing per unit area

D) Number of lines of force crossing per unit volume

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Answer:

Correct Answer: B

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).