A small hole is made at the centre of the magnet then its magnetic moment is
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Answer:
Decreased. Or "decreases".
Explanation:
WHY?
Considering that our intensity of magnetisation is equal to magnetic movement developed per unit over volume,
We can say that: (I = M/V )
Our intensity of magnetisation is constant, so we can find the new formula,
(M= I x V)
We will find that our volume is decreasing when a hole is created in the center. Now because, the volume decreased, our magnetisation also decreases.
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