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Electronics

Electricity, Components

And Circuits

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ElectricityElectricityWhat is it?What is it?

Logo The Atom

Electrons

Protons

Neutrons

LogoElectricity is Created When…

One or more electrons are dislodged from an Atom. These free electrons become electricity. If an Atom is missing one of its electrons it becomes a positive Ion. If an Atom gains a extra electron it will become a negative Ion.

LogoElectricity is created

from..- Heat- Friction- Nuclear reaction- Light- Chemical reaction- Magnetism

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Key Terms - Conductor – allows electrons to flow through it

- Insulator – blocks the flow of electrons

- Current – a flow of electrons

- Circuit – the path that electrical energy travels

- Component – any electrical part that makes up a circuit

- Terminal – the place where you connect a wire to a component.

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Complete Circuit

LogoSeries VS Parallel

Circuits

http://en.wikipedia.org/wiki/Image:Series_and_parallel_circuits.png

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Series Circuit

Complete Path Path is Broken

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Parallel Circuit

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Components

LogoKey/Switch

Opens or closes a circuit

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Battery

Stores energy and gradually lets it out as called for

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Speaker

Changes electrical energy to sound

http://images.googlee.com/imgres?imgurl=http://library.thinkquest.org/10784/media/cs_speaker2.gif&imgrefurl=http://library.thinkquest.org/10784/circuit_symbols.html&h=37&w=37&sz=1&hl=en&start=2&tbnid=i8u0-HWW7vSnUM:&tbnh=37&tbnw=37&prev=/images%20

http://images.googlee.com/imgres?imgurl=http://library.thinkquest.org/10784/media/cs_speaker2.gif&imgrefurl=http://library.thinkquest.org/10784/circuit_symbols.html&h=37&w=37&sz=1&hl=en&start=2&tbnid=i8u0-HWW7vSnUM:&tbnh=37&tbnw=37&prev=/images%20

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Transistor

Acts like a switch when hit with a small amount of electricity

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Resistor

Restricts the flow of electricity

http://images.googlee.com/imgres?imgurl=http://www.hnsa.org/doc/radio/img/fig9.jpg&imgrefurl=http://www.hnsa.org/doc/radio/chap1.htm&h=20&w=144&sz=2&hl=en&start=16&tbnid=PUGUZE6r_tUaWM:&tbnh=13&tbnw=94&prev=/images%3Fq%3DResistor%2Bschematic%2B%20

LogoDiode

Allows electricity to flow in only

one direction

http://images.googlee.com/imgres?imgurl=http://www.geocities.com/aliciainelpaso/schematics/cs_diode_varactor.gif&imgrefurl=http://www.geocities.com/aliciainelpaso/hamradiopage.htm&h=37&w=37&sz=1&hl=en&start=15&tbnid=rK6bL8ugKAHXIM:&tbnh=37&tbnw%20

http://images.googlee.com/imgres?imgurl=http://www.geocities.com/aliciainelpaso/schematics/cs_diode_varactor.gif&imgrefurl=http://www.geocities.com/aliciainelpaso/hamradiopage.htm&h=37&w=37&sz=1&hl=en&start=15&tbnid=rK6bL8ugKAHXIM:&tbnh=37&tbnw%20

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Capacitor

Stores electrons for a sudden discharge

http://blog.makezine.com/archive/2009/02/make-presents-the-capacitor.html

http://images.googlee.com/imgres?imgurl=http://library.thinkquest.org/10784/media/cs_capacitor_general.gif&imgrefurl=http://library.thinkquest.org/10784/circuit_symbols.html&h=37&w=37&sz=1&hl=en&start=6&tbnid=dXLj74NXHhAI2M:&tbnh=37&tbnw=37&pre%20

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Practice Quiz

http://www.quia.com/quiz/856160.html

logo electronics electricity, components and circuits

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