Three long straight wires are connected parallel to each other across a battery of negligible internal resistance. The ratio of their resistances are `3:4:5`. What is the ratio of distances of middle wire from the others if the net forces experienced by it is zero.

Three very long straight thin wires are connected parallel to each other through a battary of negligible internal resistance. The resistance of the wired are 2Omega,3 Omega and 4 Omega . The ratio of distance of middle wire from the first and thrid wires if resusltant magnetic force on the middle wire is zero is :

Three very long straight conductors are arranged parallel to each other in a plane and have resistances in the ration 1:2:3 . They are connected in parallel to a battery of negligible internal resistance such that the currents in all three wires are in the same direction. The distance between the first two conductors is x and the distance between the second and third conductors is y . If the middle conductors is in equilibrium, the ratio x:y is

Two resistance connected in parallel across a cell of negligible internal resistance, use 4.5 times the power that they would use, when in series across the same cell. If one of the resistance is 8ohm, the other is:-

Two resistance connected in parallel across a cell of negligible internal resistance, use 4.5 times the power that they would use, when in series across the same cell. If one of the resistance is 8ohm, the other is:-

Two resistance connected in parallel across a cell of negligible internal resistance, use 4.5 times the power that they would use, when in series across the same cell. If one of the resistance is 8ohm, the other is:-

A 5 V battery of negligible internal resistance is connected across a 200 V battery and a resistance of 39 Omega as shown in the figure. Find the value of the current.

A 5 V battery of negligible internal resistance is connected across a 200 V battery and a resistance of 39 Omega as shown in the figure. Find the value of the current.