The braking torque provided by a permanent magnet in a single phase energy meter is proportional to the
A) square of the flux of the permanent magnet
B) speed of the meter
C) distance of the permanent magnet from the centre of the revolving disc
D) all of the above.
Correct Answer:
Verified
Q10: In a dynamometer 3-phase power factor meter,
Q11: The power factor of a single phase
Q12: The power of a n-phase circuit can
Q13: A Dynamometer type wattmeter responds to the:
A)average
Q14: The power measurement in a balanced 3-phase
Q16: Which of the following is integrating instruments?
A)power
Q17: The phenomenon of creeping occurs in
A)voltmeter
B)ammeter
C)wattmeter
D)watt-hour meter
Q18: Hole s are drilled on the opposite
Q19: The pressure coil of an induction type
Q20: Which type of damping is used in
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents