If 20 J of work has to be done to move an electric charge of 4 C from a point of potential 10 V to another point of potential V , then the value of V is

Question

If 20 J of work has to be done to move an electric charge of 4 C from a point of potential 10 V to another point of potential V , then the value of V is, 20 V, 30 V, 5 V, 15 V

MARKS App · Accepted Answer

The work done by the external agent is W e x t = q V 2 - V 1 ⇒ 20 = 4 ( V – 10 ) ⇒ V = 15 V

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