Define the term current and state its S.I unit.
State two differences between the e.m.f and terminal voltage of a cell.
Define the term electric potential. State its S.I. unit.
Define the following:
How is the electric potential difference between the two points defined? State its S.I. unit.
Name the material used for heating element of a room heater.
Define the term resistance. State its S.I. unit.
Name the material used for filament of an electric bulb .