intro to electricity. what is electricity? a form of energy resulting from the existence of charged...
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Intro to Electricity
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What IS Electricity?
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A form of energy resulting from the existence of charged particles
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How do we harness this ENERGY?
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Conductor
• Something that allows electricity to flow• Examples;– metal– Water– air
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Insulator
• something that does NOT let electricity flow• Examples– Glass– Plastic– Rubber– Porcelain
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Power Source
• Something that supplies electricity
• Examples;– Battery– Generator– solar panel
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Battery
• Portable power source that has a positive and negative. The negative has extra electrons. They want to move to the positive side
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Circuit
• path for electricity to flow
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Load
• Something that uses electricity• Example– Toaster– Ipod– Dvd player
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Short Circuit
• unwanted contact of wires or parts in a circuit resulting in damage or malfunction of the circuit– Example: two bare wires touching
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Voltage, Resistance & Current
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Voltage (V)
• The “push” of electricity in a circuit• Measured in VOLTS (V)
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Resistance (R)
• The resistance to flow of electricity• Measured in OHMS (Ω)
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Current (I)
• The rate of flow of electricity in a circuit• Measured in AMPHERES (A)