Correct Answer : Option (B) : Improves line power factor
Explanation : Freewheeling diode is also called bypass diode or commutating diode. It is used to improve the waveform of the loaded current and power factor. It is connected across a realy, which is driven by a transistor. It enables for dissipation of energy stored in the inductance of the load in the circuit and provides a continuous flow of load current when the thyristor is blocked.
