Benjamin Franklin delivered electricity.
Coal IS commonly used. Coal provides 40 % of the world's elecricity and over 70% of steel production. It may not be entirely desirable, but it's still relatively cheap and useful.
When did he discovered? Do you mean what? He discovered Yellow Fever was transmitted by mosquitoes. And if you mean when did he discover it, then the answer you are looking for is he led a research team that discovered this in 1900.
J.J.Thomson has discovered the electron in 1897
It is not known where exactly in England sodium was discovered. It was discovered by Sir Humphrey Davy in 1807.
cytoplasm/protoplasm was discovered by Robert brown
I think the main advantages of elecricity that it is safe ,cheap and clean .
power plants
yes
There's not one.
elecricity?
They are burned
Usually from the electrical outlet.
household electricity is called alternating current because when you have elecricity in your home,your elecricity will travel all over your house to make the electricity flow.
No, cars run on fuel or elecricity.
Either a battery or a generator
A battery
Yes, of course they do.