An air cored coil has an inductance of 0.3 H. If another coil has an iron core o

Question

An air cored coil has an inductance of 0.3 H. If another coil has an iron core of μᵣ = 500, the remaining quantities being the same, the inductance of the second coil will be

Options:

A . 0.3 H

B . 0.3 x 500 H

C . 0.3 H/500

D . none of the above

Answer: Option D
Answer: (d).none of the above

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