A tightly wound long solenoid has turns per unit length, a radius
and carries a current
A particle having charge
and mass
is projected from a point on the axis in a direction perpendicular to the axis. The maximum speed of the particle for which the particle does not strike the solenoid is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Force due to magnetic field is balanced by the centripetal force.
or
( Particle do not strike the solenoid, thus
)
or or
Magnetic field,
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A galvanometer coil has a resistance of and gives full scale deflection for a current of . To con…
A straight wire of mass and length carries a current of . It is suspended in mid-air by a unifor…
When deuterium and helium are subjected to an accelerating field simultaneously then,
A solenoid long and in diameter possesses 10 turns per length. A current of falls through it. T…
A wire is bent as shown in figure and is placed in a region of uniform magnetic field . The lengt…
A circular coil carrying a certain current produces a magnetic field at its centre. The coil is no…