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A short bar magnet having magnetic moment M is moving along the axis of a fixed conducting (non magnetic) ring of radius R. The axis of the ring is along z direction.

A short bar magnet having magnetic moment M is moving along the axis of a fixed conducting (non magnetic) ring of radius R.
The axis of the ring is along z direction.

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Grade:10

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
11 months ago
PART a. simple use the direct formula of magnetic field for a dipole
part b. simply integrate field over the ring to get flux as function of z.
part c. use -dz/dt=v and use- d(phi)/dt= flux. as d(phi) /dt will involve dz/dt just put -dz/dt =v

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