A current carrying solenoid is placed vertically and a particle of mass 
with charge 
is released from rest. The particle moves along the axis of solenoid. If 
is acceleration due to gravity then the acceleration
A
of the charged particle will satisfy:
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Inside a solenoid, magnetic field 
is uniform and parallel to the axis.
Particle moves along the axis, so velocity 
is parallel to 
.
Magnetic force 
(since 
)
Only gravity acts on the particle.
Acceleration 
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