Which of the following has a permeability less than that of free space?

Class 12th Physics, Question Paper 2023:Which of the following has a permeability less than that of free space?

By
Komal Kohli
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These are the options for the question :Which of the following has a permeability less than that of free space?

(A) Copper
(B) Aluminium
(C) Copper chloride
(D) Nickel

The correct answer is -(B) 4.5 x 10.7 N/m. repulsive

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