Questions
The Relation between force between the two poles in free space and medium
a
FmFa=μr
b
FaFm=μr
c
FmFa=μ
d
FaFm=μ
detailed solution
Correct option is A
Reason & Explanation:Force between the two poles in free space is Fa=μo4πmm2 1 r2 ----------(1)Force between the two poles in free space is Fm=μ4πm1m2r2-----------(2)(2)/(1) ⇒ FmFa=μμ0=μrMagnetic permeability of free spaceμ→ Magnetic permeability of mediumμr→ Relative permeability of mediumTalk to our academic expert!
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