if geometric length of bar magnet is 18 cm then find its magnetic length
Answers
Answered by
6
Answer:
5/6*geometric length so answer is 15
Answered by
1
Answer:
15
Explanation:
Correct option is A)
Magnetic dipole of a bar magnet
=m×2l
magnetic−length(2l)=
6
5
geometric−length
2l=
6
5
×18=15cm=0.15m
=m×2l
=100×0.15
=15Am
2
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