A tightly-wound, long solenoid has n tur...

A tightly-wound, long solenoid has n turns per unit length, a radius r and carries a current i. A particle having charge q and mass m is projected from a point on the axis in a direction perpendicular to the axis. What can be the maximum speed for which the particle does not strike the solenoid?

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RESONANCE ENGLISH-ELECTRODYNAMICS-Exercise-1 PART-1

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