Question

A thin non-conducting ring of mass m
carrying a charge q can freely rotate about its
axis. At the initial moment the ring was at
rest and no magnetic field was present. Then
a uniform magnetic field was switched on
which was perpendicular to the plane of the
ring and increased with time according to a
certain lawak
Find the angular velocity of the ring as a
function of k​

Answer 1

Answer:

A thin non-conducting ring of mass m carrying a charge q can freely rotate about its axis. At t=0, the ring was at rest and no magnetic field was present. Then suddenly a magnetic field B was set perpendicular to the plane.

Explanation:

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