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Give the SI unit of magnetic pole strength.

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in Physics – Class 12 by (135k points)
Give the SI unit of magnetic pole strength.

(a) Tm

(b) Am^2

(c) Am

(d) Tm^2

The question was asked in homework.

This intriguing question originated from Torque on Current Loop & Magnetic Dipole in section Moving Charges and Magnetism of Physics – Class 12

1 Answer

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Best answer
Correct choice is (c) Am

Easy explanation: The SI unit of magnetic pole strength is ampere meter (Am).

The strength of a magnetic pole is said to be one-ampere meter if it repels an equal and similar pole with a force of 10^-7 N when placed in vacuum at a distance of one meter from it.

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