A wire of magnetic dipole moment M and L is bent into shape of a semicircular of radius r. What will be it's new dipole moment
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Let us consider a wire of length L and radius r.
It is bent in a semiircular shape.
HenceLength of wire=circumference of semicircle
L=πr
r=L/π
Formula to be used Dipole moment=magnetic moment x minimum separation between two dipoles
Minimum seperation is 2r=2[L/π] [ since shape is semicircle]
Magnetic dipole=Mx 2L/π=2ML/π
It is bent in a semiircular shape.
HenceLength of wire=circumference of semicircle
L=πr
r=L/π
Formula to be used Dipole moment=magnetic moment x minimum separation between two dipoles
Minimum seperation is 2r=2[L/π] [ since shape is semicircle]
Magnetic dipole=Mx 2L/π=2ML/π
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