depenf on phone& battery capacity also how long we use the phone.
It does not product energy but uses energy via the battery.
It depends for exaple some chargers have a light on it, that takes energy not much but it does other then that no.
potential electrical energy
anything
anything
anything
potential electrical energy
A phone does not change the electricity. They operate on DC power and use frequencies for communication tones
wind power
A phone battery
They use way to much energy, but what would we do with out google. :)
Phone energy is a little known source of energy but it is getting popular day by day. As it's name suggest phone energy can be extracted from your phone lines at home. As you know phone lines remains live even your home electricity is off for some reason. You can make use of this phone line energy. To do that you need a system. In the market there are some guides available for that. There are a number of sites which can give detailed information about how to extract phone energy.