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Question

A block of certain material has magnetization, equal to 1.2 Am1. If the magnetic intensity of the block is 4×103 Am1, then calculate, the magnetic susceptibility of the block.

A
2×104
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B
104
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C
3×104
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D
4×104
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Solution

The correct option is C 3×104
We know that the relation between magnetic intensity H, magnetisation vector I and magnetic susceptibility χ is given by,

I=χ H

χ=IH

From the data given in the question,

χ=1.24×103

χ=3×104

Hence, the correct answer is option (C)

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