Question 4 An inductor wound with an insulated conductor was first energized using a DC power supply and a current of 9A passed through the inductor coil and a voltage of 4.5 V was measured across it's terminals. Following the DC test, the inductor was connected to a 24 V ACsupply with a rated frequency of 25Hz. The current of 9A was recorded during the AC energization. Calculate the following: (a) Impedance, Resistance and Inductance of the coil. (b) Power and power factor. (c) Power and power factor when supplied by a 50V and 50Hz source.

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Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.