Question

The kinetic energy which an electron acquires when accelerated through a potential of 1 volt is.?

Answer 1

q = CV

⇒1.67 * 10^-19 = C * 1

⇒C = 1.67 * 10^-19 F

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⇒U = K.E = ½ * CV²

⇒U = ½ * 1.67 * 10^-19 * 1²

⇒U = 0.83 * 10^-19 eV