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Electrical Formulas
by roselle hoyne
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Electrical Formulas

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Ohms Law

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V = I x R

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Transposition

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Force

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F = M x A

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F = M x G

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Resistivity

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R = PL / A

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Transformers

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Torque

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Quantity of electricity

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Q = I x T

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Efficiency

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Efficiency = power out/ power in x 100%

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Power

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P = I x U

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P = I squared x R

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P = U squared / R

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Power Generation

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Resistors in Series & Parallel

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Magnetism

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AC & DC

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