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Electrical Formulas

To Find Direct Current Alternating Current Single Phase Two-Phase* Four-Wire Three Phase Amperes when Horsepower is known HP x 746 E x EFF HP x 746 E x EFF x PF x 2 HP x 746 2 x E x EFF x PF HP x 746 E x EFF x PF x 1.73 Amperes when […]
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Ohms Law

A. When Volts and OHMS are known: Example: Find the current of a 120 volt circuit with a resistance of 60 OHMS. B. When Watts and Volts are known: Example: A 120 Volt Circuit has a 1440 Watt Load. Determine the current. C. When OHMS and Watts are known: Example: A circuit consumes 625 watts […]
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