Sources of the electric current The electric current can be generated by different methods, The common sources are the generators (Dynamos) & the electrochemical cells (electrolytic cells), The electricity which you use in your homes is...
The electric resistance (The resistor) The electric current faces an obstruction (resistance) when it passes through a conductor which affects its intensity, The electric resistance is the opposition that the electric current faces during...
Electric potential difference of a conductor The electric potential of a conductor is the state of an electric conductor that shows the transfer of electricity to and from it when it is connected to another...
The electric energy is the cleanest source of energy as it does not pollute the environment, The electricity plays the important role in the daily life , It is used to light up our houses ,...
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...
