Explain electric circuit and draw a simple electric circuit.

Figure below shows a diagram of a water circuit. In many ways it behaves like an electric circuit. Draw an equivalent electric circuit. (Hint - water - wheel can be replaced by motor)

i] Define electric potential difference. How is ammeter connected in an electric circuit ? ii] Explain the application of heating effect of electric current E in an electric bulb and the fuse used in an electric circuit.

Question based on paragraph : Amol was performing an experiment with a simple electric circuit . He connected an electric bulb , a plug key and a cell using connecting wires as shown in the circuit diagram given below : Answer the following questions based on the above electrical circuit : Give direction of electric current , when it flows through the circuit .