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


1A, 0.4A, 0.6A

Given, , and .


Let the potential at the joint be


Current through is


Current through is


Current through is


Now, Kirchhoff’s junction rule,







Therefore,




1