Determine the current passing through the 10 resistor in the circuit displayed in the figure.

Step-by-step solution

Let the common wire on the right side of the circuit be the reference node with a potential of 0 V . The 4.5 V battery has its positive terminal (longer line) on the left, so the potential at the node to the left of the 3 resistor is 4.5 V . The 3 V battery also has its positive terminal on the left, so the potential at the node between the 10 resistor and the 3 V battery is 3 V . Let the potential at the central junction connecting the 3 , 6 , and 10 resistors be V . Applying Kirchhoff's Current Law (KCL) at this