A three-phase load consists of three similar inductive coils, each of resistance 502 and inductance 0.3H. The supply is 415V, 50 Hz. Calculate: (i) the line current (ii) the power factor (iii) the total power when the load is (A) star-connected and (B) delta-connected.

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Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.