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Published byAdam McBride Modified over 8 years ago
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Definitions
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Electricity
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Electric Current
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Current Direction The current direction is from positive to negative but the electron direction is from negative to positive
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Potential Difference
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Electromotive Force The electromotive force is the total work generated by the source to transfer one coulomb through the whole circuit (inside and outside the source) (emf). emf like the potential difference in all things Unit is volt and the voltmeter is the measuring device
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Resistance
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Resistivity
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Conductivity
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Resistance contact
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Ohm's law
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