What is meant by an electric circuit? Draw a circuit diagram to show an electric circuit comprising a battery of two cells,a resistor,an ammeter,and a plug key when the circuit is closed.

(N/A) An electric circuit is a continuous and closed path in which an electric current flows.
The circuit diagram consists of a battery of two cells,a resistor,an ammeter,and a closed plug key connected in series. The ammeter is connected in series with the resistor,and the positive terminal of the battery is connected to the positive terminal of the ammeter.