Friday, 2 December 2011

Complete and incomplete circuit

Complete circuit
All of the bulbs in the electrical circuits will light up if the batteries, connecting wires, switches or the bulbs themselves are not faulty.
This is because all the electrical circuits shown above are complete or closed circuit. Electricity can only flow through a complete circuit.

Incomplete circuit
The bulbs in a electrical circuit do not light up because the electrical circuits are incomplete. Therefore electricity will not flow through the circuit.
A faulty electrical component such as a damaged connecting wire or a burnt bulb can also cause an electrical circuit to be incomplete.
When you turn off the switch of a complete circuit, then the electrical circuit become incomplete electrical circuit.

This video introduces the concept of an electric circuit. It describes the difference between an open and closed circuit.

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