An iron rod is placed in magnetising field of 1000 A/m calculate the magnetic permeability of an iron rod ( magnetic susceptibility 59.9 magnetic permeability of vaccum 4 JI × 10^-7
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Answer:2.50×10-4
3.80×10-4
7.54×10-4
7.20×10-4
Answer :
C
Solution :
Here, A=0.1m2,H=100
A
m
andχm=599
μ0=4Pi×10-7T
m
A
μ=μ0(1+χm)
=4Pi×10-7(1+599)
Explanation:
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