Question

14) All Oluese
A uniform circular ring of radius R, mass m nas
uniformly distributed charge q. The ring is constrained
to rotate about its own axis (which is vertical) without
friction. In the space a uniform magnetic field B,
directed vertically down ward exists in a cylindrical
region. The cylindrical region is co-axial with Band
has a radius greater than R. If B increases at a
dB
constant rate,
=d, angular acceleration of the
dt
ring will
(1) Directly proportional to R
(2) Directly proportional to q
(3) Directly proportional to m
(4) Independent of Rand m​

Answer 1

Explanation:

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