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Electrical Exam Prep Tip #113 – Ohm’s Law

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Tip 113

Must have formulas for your electrical exam

Helpful Tip # 113

OHM’s law and our pie chart are the only calculations and formula that the test taker should focus on. P divided by Current (I) times the Voltage (E) is used for calculating demand loads, calculating transformers, calculating services, calculating the minimum number of circuits required for a particular dwelling/occupancy, and in calculating a wire size based on an appliance wattage divided by the voltage applied to it.

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Posted in Exam prep, Sticky Note Tip Series.