A small bead of mass m and positive charge q is mounted on a fixed thin smooth horizontal plastic ring of radius R Att 0 bead is

Question

A small bead of mass m and positive charge q is mounted on a fixed thin smooth horizontal plastic ring of radius R Att 0 bead is stationary Ring lies in x y plane with centre at 0 0 Magnetic field B Est I where r 0 is switched on where t denotes time r distance from z axis and E is a positive constant Magnitude of normal reaction exerted by ring on bead is q 2 Find 2 Gravity is absent

Kunduz · Accepted Answer

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