1.      Cell         Battery        Ammeter      Bulb  2.  Electric current is the rate of flow of negatively charged electrons around an electrical circuit.       Current is measured in Ampere: A.       Current is measured by an ammeter.  3.  The diagram that shows the correct way to measure the current in a lamp is diagram 2.  4. A battery of capacity 12 Amp-hours will supply a current of 3 A to an electric car for 4 hours.  5. The two types of chemical cells are:      a) Dry (Non-rechargeable) cells.      b) Rechargeable cells.