The magnetic potential at a point on the axial line of a bar magnet of dipole moment M is V. What is the magnetic potential due to a bar magnet of dipole moment 
at the same point
A
4V
B
2V
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Magnetic potential at a distance 
from the bar magnet on its axial line is given by
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