A sphere carrying a charge of Q having weight w falls under gravity between a pair of vertical plates at a distance of d from ea

A sphere carrying a charge of Q having weight w falls under gravity between a pair of vertical plates at a distance of d from each other. When a potential difference V is applied between the plates the acceleration of sphere changes as shown in the figure, to along line BC. The value of Q is

A. `w/v`
B. `w/2V`
C. `wd/V`
D. `sqrt(2wd)/V`

A sphere carrying a charge of Q having weight w falls under gravity between a pair of vertical plates at a distance of d from each other. When a poten

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