Measurement and Instrumentation
The main advantage of Anderson bridge over Maxwell bridge is that

  reduction of the cost.
 balance equation independent of frequency.
 measures high Q inductors.
 attaining balance condition is easier.

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Measurement and Instrumentation
Which of following statement are correct in case of power factor meter?

 Both B and C.
 The restoring torque is provided by a controlling torque.
 The deflection is proportional to phase angle between field coil and crossed coil.
 It consist of two coils mounted at right angles to each other.

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