63 An electrical cable of copper has just one wire of radius

Last updated: 6/19/2023

63 An electrical cable of copper has just one wire of radius 9 mm Its resistance is 5 ohm This single copper wire of the cable is replaced by 6 different well insulated copper wires each of radius 3 mm The total resistance of the cable will now be equal to 1 7 5 ohm 2 45 ohm 11270ohm