A particle of mass 1.96×10⁻¹⁵ kg is kept in equilibrium between two horizontal metal plates having potential difference of 400V seperated apart by 0.02m. Then the charge on the particle is (e=electronic charge)

Options

(a) 3 e
(b) 6 e
(c) 2 e
(d) 5 e

Correct Answer:

6 e

Explanation:

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