This increased vibration of the ions increases the temperature of the wire. Energy has been transferred from the electrical energy carried by the electrons into the internal energy of the wire.

However, electrical energy must be changed into other forms of energy before we can use it. The symbol for power is \(P\), it is measured in Watts (\(W\)). The symbol for energy is \(E\), it is ...

said this month he would rather watch Formula E than Formula 1, it marked a coming of age for electric power. Holden Frith is The Week’s digital director. He also makes regular appearances on ...