The title âofficerâ is a common one used in many organizations depending upon the industry. For example, to differentiate between a young recruit and senior level personnel in armed forces and police department, the title officer is commonly used.
Zero to the Zero Power. It is commonly taught that any number to the zero power is 1, and zero to any power is 0. But if that is the case, what is zero to the zero power? Well, it is undefined (since xy as a function of 2 variables is not continuous at the origin). But if it could be defined, what should it be?
Yes, dc supply has unity power factor because reactive power absorbed by any inductive load is zero i.e i square xl =0. This is because of frequency is zero, so time period is infinity. So power factor angle is zero, from power traingle Cos(0)=1, this is the reason in dc supply power factor is always unity.