Can We Transmit Electricity Using Single Wire Instead Of Two Wires?
Two Wires
For any electric device to function the electricity should pass through the electric circuit in that device. As the water flows in the river, electrons flow in this circuit. As the river has the inlet and outlet of water the electronic devices have terminal where these electrons arrive and other end where the electrons exit. These are called poles. In the electric producing stations one pole is connected to earth and the other is used to send electrons. The end that is connected to the earth is treated as neutral and the wire along which the electricity flows is called as phase or line. These are the two wires. Just because every time we cannot dig the earth and connect the wire to it the electricity that is sent to the houses connect the earth also and this is called neutral. If we come to batteries there should compulsorily be two terminals one positive and one neutral. Here one wire does not function. Because the flow of electricity starts in the battery and should definitely reach the same. Otherwise the electric circuit breaks.