a) 220 V b) 110 V c) 178 V d) 0 V Ans: (d)
a) 20 seconds b) 2 seconds c) 1 second d) 0.02 second Ans: (b)
a) One wattmeter method b) Two wattmeter method c) Three voltmeter method d) Three ammeter method Ans: (b)
a) True b) False Ans: (a)
a) Active power b) Wattles power c) Reactive power d) (b) or (c) Ans: (d)
a) Short circuit fault b) Earth fault c) Open circuit fault d) (b) or (c) Ans: (b)
a) Earth fault b) Short circuit fault c) Open circuit fault d) (a) or (c) Ans: (a)
a) Ground fault of the cable b) Open circuit fault of the cable c) Short circuit fault of the cable d) (a) or (c) Ans: (d)
a) True b) False Ans: (a)
a) Only current coil b) Only voltage coil c) Current and voltage coils both d) Only inductive voltage circuit e) Only inductive current circuit Ans: (c)