Correct option is A


Voltage and current in a single- phase ac circuit are given by (50+j20) V and (20+j50) A respectively. What is the active power consumed in the circuit?
What is the magnetic field strength required to produce a flux density of 1mWb/m² in air?
An 8 kW single phase load at power factor of 0.8 leading is supplied from a single- phase ac supply. Reactive power drawn from the source is:
What is the unit of magnetizing force?