Question

The geometric length of bar magnet is 6cm it's magnetic length is

Answer 1

Answer:

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Given: Magnetic length of a bar magnet =10cm

Solution: We know that the magnetic length is equivalent to 5/6 th of geometric length.

- Thus, Magnetic length =5/6 (geometric length)

10=5/6 (geometric length)

10×(6/5)= geometric length 

12= geometric length

Thus, the geometric length is 12cm.

So,the correct option:B

Explanation:

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