The solar cells or the photovoltaic cells are the electrical devices that convert the energy of sunlight into the electricity by the photovoltaic effect which is the ability of matter to emit the electrons...
The electric conductivity The substances can be classified according to the electric conductivity into good conductors of electricity and bad conductors of electricity, The electrical conductivity is the ability of a material to carry...
The electricity The electricity is produced from the electric charges when these electric charges are stable on a body, the produced electricity is the static electricity and when the electric charges flow through a...
Electricity dangers The human is a good conductor of the electricity as 70 % of the body contains the water, the human is more exposed to the electric shock when it is wet and it...
