An iron rod of volume `10^(-4)m^(3)` and relative permeability 1000 is placed inside a long solenoid wound with `5 "turns"//"cm"`. If a current of `0.5 A` is passed through the solenoid, then the magnetic moment of the rod is
A
`10 Am^(2)`
B
`15Am^(2)`
C
`20 Am^(2)`
D
`25 Am^(2)`
Text Solution
Verified by Experts
The correct Answer is:
D
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