For the following questions answer them individually
A 150 V DC motor of armature resistance 0.4 Ω has back emf of 142 V. The armature current is
As compared to full-wave rectifier using two diodes the four diode bridge rectifier has the dominant advantage of
Two 100 W, 200 V lamps are connected in series across a 200 V supply. The total power consumed by each lamp will be watts
The active and reactive power of an inductive circuit are 60 W and 80 VAR respectively. The power factor of the circuit is
The type of protection that does not respond to faults occuring beyond its zone even though the fault current may through the zone is