Thursday, June 17, 2010

Electricity:Open and short Circuits

Electricity:Open and short Circuits

Introduction to Electrical Circuits: Electrical circuits are the combination's of different electrical appliances connected in a particular manner. Electrical circuit is the symbolic representation of the circuit, which helps us to define all the parameter..

  1. Lantern battery - DO NOT USE ANYTHING HIGHER THAN A NINE-VOLT BATTERY
  2. Small light bulb/lamp or small motor
  3. Wire to connect battery and lamp terminal (bare wire, not plastics or rubber covered)
  4. Wire clippers

Cut three pieces of wire.


Connect the wires from the battery terminals to the lamp terminals - lamp or motor will light up or run.

Take third piece of bare wire and drop across the two bare wires leading between the terminals - notice what happens. The lamp or motor should go out or stop.
Take the third wire that was laying across the other two wires. Take the wire clippers and cut one of the wires leading from the battery to one of the lamp terminals. The lamp or motor should also go out or stop.


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