Friday, 9 December 2011

How to Recharge Batteries?

Make A Complete Circuit

There are many things that use batteries. For example, torch and alarm clock. Things that use batteries have a battery holder. Batteries must be inserted correctly for things to work. To make a complete circuit, you must connect battery, wire, bulb and bulb holder. If the bulb lights up, it is a complete circuit.

I can use :




bulb holder

To make a complete circuit :