A semicircular magnet of moment M is being straightened,then the new magnetic moment is
Answer (1)
22nd Jan, 2020
Hello Abdul Raza,
A semi circular magnet has magnetic movement as M.
Magnetic movement= Pole strength * distance between the poles
For the semi circular consider the radius as r. so the distance between two poles becomes the diameter which equals 2r. then M1= m*(2r)
if it is made into straight line then the distance becomes pie*r so now M2=m*(pie*r)
if you divide M1 and M2.
then you will notice that M2=(pie/2)M1
if the semicircular magnet of magnet movement M is made into straight line then its magnetic movement becomes (pie/2)*M.
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