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Current -- electrical movement (measured in amps)
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Circuit -- complete path of the current. Includes electricity source, a
conductor, and the output device or load (such as a lamp, tool, or heater)
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Resistance -- restriction to electrical flow
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Conductors – substances, like metals, with little resistance
to electricity that allow electricity to flow
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Grounding – a conductive connection to the earth which acts
as a protective measure
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Insulators -- substances with high resistance to electricity
like glass, porcelain, plastic, and dry wood that prevent electricity from
getting to unwanted areas
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