Multiple Choice
The power factor of a single phase load can be calculated if the instruments available are
A) one voltmeter and one ammeter
B) one voltmeter, one ammetqr and one wattmeter
C) one voltmeter, one ammeter and one energy meter
D) any of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q15: The power of a n-phase circuit can
Q16: The power measurement in a balanced 3-phase
Q17: The pressure coil of a wattmeter should
Q18: In an Induction type energy meter, maximum
Q19: In a low power factor wattmeter the
Q20: In an induction type energy meter, compensation
Q21: A Dynamometer type wattmeter responds to the:<br>A)average
Q22: The braking torque provided by a permanent
Q23: The phenomenon of creeping occurs in<br>A)voltmeter<br>B)ammeter<br>C)wattmeter<br>D)watt-hour meter
Q24: An Induction meter meter can handle current