What is a Bicycle Dynamo?
A small generator is sometimes fitted to a bicycle to
provide electricity for the lightsat night.
The generator is called a bicycledynamo.
provide electricity for the lightsat night.
The generator is called a bicycledynamo.
How does a BicycleDynamo Work?
Inside the dynamoa permanent magnet is rotated
in the middleof some coils of wire.
Rotating the magnet instead of the coils has the
advantage that slip rings are not needed.
The rotating magnetproduces a changing magnetic field
and this generateselectricity in the coilsof wire.
in the middleof some coils of wire.
Rotating the magnet instead of the coils has the
advantage that slip rings are not needed.
The rotating magnetproduces a changing magnetic field
and this generateselectricity in the coilsof wire.
The top of the dynamo is touched against the rim of the tyre
which rotates when the bicycle is moving.
which rotates when the bicycle is moving.
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