Rio Tinto Senior Associate Interview Questions and Answers

Power factor is the ratio of real power to apparent power in an electrical system.

• Power factor is a measure of how effectively electrical power is being converted into useful work.

• It is calculated as the cosine of the angle between the voltage and current waveforms in an AC circuit.

• A power factor of 1 indicates all the power is being used for useful work, while a power factor of 0 means all power is reactive.

• Power fact...read more