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Electronic measurements and instrumentation miscellaneous

Electronic Measurements And Instrumentation

  1. The main error in a dynamometer type wattmeter is due to:
    1. Pressure coil inductance
    2. Mutual inductance
    3. Pressure coil capacitance
    4. Eddy currents
Correct Option: A

The main error in a dynamometer type wattmeter is due to pressure coil inductance.



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