Find out the potential of the junction S (in volts) if all the dark wires are of resistacne R and light wires have zero resistance.

In the given electrical circuit, the potential difference between point A and B is (assume the battery is ideal and the conducting wires have almost zero resistance):

In the given electrical circuit, the potential difference between point A and B is (assume the battery is ideal and the conducting wires have almost zero resistance):

In the circuit shown in figure, all wires have equal resistance r . Find the equivalent resistance between A and B

In the circuit shown in figure, all wires have equal resistance r . Find the equivalent resistance between A and B

Two copper wires have equal length but the thickness of one is twice that of the other. If the resistance of the thin wire is 10 Omega , find the resistance of the thick wire.

Zero resistance wire, Energy analysis of resistors and bulbs

Two wires have lengths, diameters and specific resistances all in the ratio of 1: 2 . The resistance of the first wire is 10 ohm. Resistance of the second wire in ohm will be

Find the current in the sliding rod AB (resistance = R) for the arrangement shown in figure. vecB is constant and is out of the paper. Parallel wires have no resistance, v is constant. Switch S is closed at time t = 0.

Find the current in the sliding rod AB (resistance = R) for the arrangement shown in figure. vecB is constant and is out of the paper. Parallel wires have no resistance, v is constant. Switch S is closed at time t = 0.