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Electricity
A Cell converts Chemical Energy
A Simple Circuit Into Electrical Energy. The energy
that the cell gives electrons is called
Voltage. It is Measured in Volts.
An electrical
Current is a flow
of Electrons. It is
measured in Amps
A Bulb converts Electrical Energy
Into Light Energy
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Slide 3

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Electrical Circuits
A Series Circuit A Parallel Circuit
One bulb follows another...
Each bulb is on its own branch...
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Electrical Circuits
A Series Circuit A Parallel Circuit
3 Amp 3 Amp
1 Amp 1 Amp
1.5 Amp
1 Amp
1.5 Amp
The Current is the same
at each point... The Current is split between
3/11
the bulbs...…read more

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Electrical Circuits
The difference between parallel and series circuits...
Parallel circuits have brighter bulbs with the same number of
cells.
If one of the bulbs breaks in a parallel circuit the other bulb will
still shine 4/11…read more

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Electrical Circuits
Each time a bulb is added to a series circuit, the bulbs will grow
dimmer.
Q. How could you increase the brightness of the bulbs in the
circuit on the right?
A. Increase the number of cells (the voltage) or place the bulbs in parallel.
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