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Adequate emphasis has been laid down to all the major topics in the form of tips notes. In practice however, circuit designers normally use simplified equations of electricity and magnetism and theorems that use circuit theory terms, such as ohms law modified for ac circuits, voltage and current kirchoffs laws, and power relationships. So current amp of motor kw voltage 1 ph or kw sqrt3voltage pf 3 ph. Very simple basic electrical quantities formulas with simple explanation in dc circuits.
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