Multiple Choice
In an electro dynamometer type of wattmeter , the inductance of the pressure coil circuit produces error :
A) which is constant irrespective of the power factor of the load
B) which is higher at low power factors
C) which is lower at low power factors
D) none of the above.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: A dynamometer wattmeter can be used for<br>A)both
Q3: Which of the following is integrating instruments?<br>A)power
Q4: The resistance in the circuit of the
Q5: In a low power factor wattmeter the
Q6: In a dynamometer 3-phase power factor meter,
Q7: In electro dynamometer type of wattmeter current
Q8: Which type of damping is used in
Q9: The pressure coil of an induction type
Q10: Which of the following statements is wrong<br>A)there
Q11: Hole s are drilled on the opposite