a) Torque produced in the wattmeter b) Voltage c) Current d) Power e) (a) or (b) Ans: (e)
a) AC power b) DC power c) AC or DC power d) AC power of single phase only Ans: (a)
a) Watt-hours b) Ampere-hours c) Current d) Voltage e) (a) or (b) Ans: (c)
a) AC energy b) DC energy c) AC or DC energy d) None of the above Ans: (d)
a) One watt-hour b) One kilowatt-hour c) One watt d) One kilowatt e) One joule Ans: (b)
a) Motor meter b) Induction type meter c) Mercury motor meter d) Reason Electrostatic meter Ans: (b)
a) Loads with high value of power factor b) Loads with low value of power factor c) Chokes d) (b) and (c) Ans: (d)
a) True b) False Ans: (a)
a) 6 kW b) 1 kW c) 4 kW d) 5 kW e) 7 kW Ans: (b)
a) True b) False Ans: (a)