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Question

The magnetic field of a bar magnet spreads ___.


A

for a finite region around the magnet

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B

across a country

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C

across the earth

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D

infinitely far

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Solution

The correct option is D

infinitely far


Theoretically, the field of a magnet spreads infinitely far. But in a practical situation, we observe the strength of a magnet is effective up to a limited range. Though the field extends till infinity, it becomes weaker after the limit. Hence, it is not felt.


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