1) Electric transformer
Found on
https://www.crosswordclues.com/clue/copper-loss
Copper loss is the term often given to heat produced by electrical currents in the conductors of transformer windings, or other electrical devices. Copper losses are an undesirable transfer of energy, as are core losses, which result from induced currents in adjacent components. The term is applied regardless of whether the windings are made of co...
Found on
http://en.wikipedia.org/wiki/Copper_loss
No exact match found.
