Questions
A magnetising field of 2 x 103 amp/m produces a magnetic flux density of 8 tesla in an iron rod. The relative permeability of the rod will be
a
102
b
104
c
10
d
108
detailed solution
Correct option is B
We know thatμr=μμ0=μHμ0H=Bμ0H∴μr=8π4π×10−7×2×103=104Talk to our academic expert!
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