Statement of a problem № 42189


Someone argues that high-voltage power lines actually waste more energy. He points out that the rate at which internal energy is produced in a wire is given by (ΔV) 2/R, where R is the resistance of the wire. Therefore, the higher the voltage, the higher the energy waste what if anything is wrong with his argument?

New search. (Also 5349 free access solutions)

To the list of lectures