Recent content by travelalfred

What does it mean when you put on a AC voltage source (~) 50/60º. The book I've been studying from says the rms or peek voltage only. Thanks.

If you put a piece of very hot metal in cold water the heat in the metal will transfer to the water until both are the same temperature. So the system water-metal still has the same initial energy. So my question is how does the piece of metal cool if it is put on a perfect vacuum. Is it...