Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A copper rod of mass 
slides under gravity on two smooth parallel rails, with separation 
and set at an angle of 
with the horizontal. At the bottom, rails are joined by a resistance 
. There is a uniform magnetic field 
normal to the plane of the rails, as shown in the figure. The terminal speed of the copper rod is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
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