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G5 Ch6 L4.2 Electricity: Flow and Circuits
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What stops electricity in a circuit from flowing in the same direction the whole time?
Resistors.
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What are the two types of electrical circuits?
Parallel and series.
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What's the difference between parallel and series electrical circuits?
Series: one path; parallel: more than one path.
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What is an electric current?
The flow of electricity through a conductor.
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What is a voltage source? Give an example of one.
Voltage sources, such as batteries, increase the volts of electrons in an electrical circuit and move the current along the path.
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How does a circuit form? What does the path of a circuit usually consist of?
An electrical circuit is formed when an electric current passes through an unbroken path of conductors, typically consisting of wires.
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What is the job of the switch in a path?
To open or close the path of the electrical circuit.
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When do the electrons in a circuit move? How about protons?
When voltage is applied to an open circuit; protons are not free to move.
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How does energy change form in a flashlight?
From potential/electrical to heat/light.
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What happens to electrons when they move through a resistor?
They lose energy and can be transformed into light and/or heat.
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