The electromotive force of a battery whose cells are connected in series is greater than that one whose cells are connected in parallel because the total e.m.f for a group of cells connecting in...
The electric current can be used to generate a magnetic effect (magnetic field) or magnetism can be generated by electricity, There is a relation between magnetism and electricity, where the electric current has a...
The electric current can be generated by different methods, The common sources are the generators (Dynamos) and electrochemical cells (electrolytic cells), The electricity which you use in your homes is produced from the large power stations...
