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Electrical Engineering MCQ Question & Answer in PDF Download

Q.

A wattmeter will be free from the effects of power factor and frequency variations in case 

  • AVoltage coil resistance is zero 
  • BDamping is not provided
  • CPressure coil inductance is zero 
  • DA capacitance is connected in parallel to pressure coil
Correct Answer : (A)

Voltage coil resistance is zero 
Hints :

A wattmeter will be free from the effects of power factor and frequency variations in case Voltage coil resistance is zero.

Electrical Engineering MCQ Question & Answer in PDF Download
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