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Electronic measurements and instrumentation miscellaneous

Electronic Measurements And Instrumentation

  1. For a power factor meter, mark the incorrect statement:
    1. The deflection is proportional to the phase angle between field coil and crossed coil
    2. The restoring torque is provided by a control spring
    3. The balance position depends upon the resulting torque developed by the two coils
    4. It consists of two coils mounted at right angles to each other
Correct Option: B

NA



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