If you want to be environmentally friendly, you need to think about where everything you use come from. And electricity that comes from a coal-burning power plant isn't particularly eco-friendly.
hydro
Coal is the most used source for electricity in the US. World wide, other countries, I don't know.
A battery is a source for electricity. A flashlight and a radio are not a source for electricity.
Without more information about the source of electricity, it is difficult to make specific inferences. Different sources, like fossil fuels, nuclear power, or renewable energy, have varying environmental impacts, costs, and reliability. It's important to consider these factors when evaluating a source of electricity.
a laser IS NOT a electricity source its a light source and no its not that good as conductor of electricity
Oil is the main source of electricity worldwide.
coal is the main source of electricity in Germany
i dont know To produce electricity when there is no other power source available to you as a remote device
The source of voltage.
It important to know what a primary and secondary source is because it helps us destinguish a source that happended during the event and a source that the auther wrote from other sourceses that he/she read.
Ofcourse because you know I'am a very lover of her. :) Please allow me to answer beautiful question. :)
The electricity source in a circuit is generally provided by a power source which can either be a battery or an alternator.