Canberra did not get a reliable electricity supply until the 1960s.

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How to make electricity

Electricity can be made when a wire is moved through a magnetic field.

Winding the wire into a coil can increase the amount of force which pushes electricity through the wire. This force is called voltage.

Both ends of the wire need to be attached to a circuit.

When the coil of wire is rotated within the magnetic field, free electrons run through the coil and around the circuit.

A coil of wire is connected to an electric circuit, causing a current to flow
When the coil of wire is connected into an electric circuit (at the terminals A and a) the electrons are under pressure to move in a certain direction and a current will flow. This electrical pressure is called voltage.

A coil of wire moved within a magnetic field causes electrons in the wire to move.

When the wire is connected to an electric circuit, the electrons will be under pressure to move in a certain direction causing an electric current to flow.


 
Last updated: Thursday, 11 June 2009
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