What is a power factor?

Understanding Power Factor in simple words:

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

Real power is the power that is actually used to do work, while  apparent power is the total power drawn from the system.

A low power factor means that a lot of the power is being wasted. 

Companies can improve their power factor by installing power factor correction equipment, which helps to reduce energy waste and can save money on electricity bills.

So, if you want to impress your interviewer with your knowledge of electrical systems, make sure you understand power factor.

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