Q. Figure shows a part of an electric circuit. The potentials at the points a, b and c are 30V, 12V and 2V respectively. Find the currents through the three resistors.

(a) 1A , 0.4A, 0.6A

(b) 1A , 1A, 0.6A

(c) 2A , 0.4A, 1A

(d) 1A , 2A , 0.2A

Ans: A