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)