If the resistance of the upper half of rigid loop is twice that of the lower half, the magnitude of magnetic induction at the centre is equal to

Find the magnetic moment of a thin round loop with current if the radius of the loop is equal to r and the magnetic induction at its centre is equal to X.

Find the magnetic moment of a thin round loop with current if the radius of the loop is equal to R and the magnetic induction at its centre is equal to B.

What is the magnetic moment of a current carrying thin circular loop if the radius of the loop is equal to R and the magnetic induction at its centre is equal to B ?

Find the magnetic moment of a thin round loop with current if the radius of the loop is equal to R = 100 mm and the magnetic induction at its centre is equal to B = 6.0 mu T .

Find the magnetic moment of a thin round loop with current if the radius of the loop is equal to R = 100 mm and the magnetic induction at its centre is equal to B = 6.0 mu T .

A loop carrying current I has the shape of a regular polygon of n sides. If R is the distance from the centre to any vertex, then the magnitude of the magnetic induction vector vec(B) at the centre of the loop is –