CBSE Class 12-science Answered
Suppose we have a magnetic needle of length 2l with magnetic moment ‘M’ and pole strength ‘m’. We divide it into two pieces from the middle. What will be the magnetic moment and pole strength of the resultant pieces?
Asked by Topperlearning User | 01 Jun, 2015, 01:29: PM
Expert Answer
Given:
Length = 2l
Magnetic moment = M
Pole strength = m
If the magnetic needle is halved from the middle, then
Length = l
Magnetic moment becomes half i.e. = M/2
Pole strength remains same i.e. m.
Answered by | 01 Jun, 2015, 03:29: PM
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