Calculate the work done in moving a charge of 5 coulombs from a point at 20 to another at 30 V.
Given;
Charge (Q) = 5C;
Potential difference = 30 – 20 = 10V;
Work done = Charge × Potential difference
⇒ Work done = 5 × 10 = 50 J.
Hence the work done is 50 Joule.