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A small sphere carrying a charge ‘q’ is hanging in between two parallel plates by a string of length L. Time period of pendulum is T0 . When parallel plates are charged, the time period changes to T . The ratio T/T0 is equal to
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Correct option is C
Net downward forceSimilar Questions
There exists a uniform electric field E in horizontal direction. A particle having mass m and charge q is projected with a velocity u in upward direction in uniform gravitational field g as shown in the figure. The radius of curvature of path of particle at the highest point is
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