Questions
The magnetic potential at a point on the axial line of a bar magnet is
a
V=μo4π2lmd3
b
V=μo4π2lmd2
c
V=μo4πmd3
d
V=μo4π2md2
detailed solution
Correct option is B
Magnetic potential at a point on the axial line are of a bar magnet is V=μo4πMd2=μo4π2lmd2Talk to our academic expert!
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A short bar magnet of magnetic moment is placed in a uniform magnetic field of 0.16 T. The magnet is in stable equilibrium when the potential energy is
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