MEASUREMENT AND INSTRUMENTATION QUIZ

 0.6 lag.

 0.917 lead.

 0.917 lag.

 0.6 lead.

 7

 8

 4

 6

 It consist of two coils mounted at right angles to each other.

 Both B and C.

 The deflection is proportional to phase angle between field coil and crossed coil.

 The restoring torque is provided by a controlling torque.

 Any of above.

 The same source as the unknown voltage.

 A battery.

 A source other than the source of unknown voltage.

 V1 = 300V and V2 = 200V.

 V1 = 200V and V2 = 300V.

 V1 = 250V and V2 = 250V.

 V1 = 0V and V2 = 0V.

 ± 1.5%

 ± 3.0%

 ±3.5%

 ±0.5%

 Peak value.

 Peak to peak value.

 Average value.

  rms value.

None of the listed here

Both DC& AC

AC only

DC only

Current transformers

Either of the above

Power transformers

Potential transformers

Peak to peak value of voltage

RMS value

Average value

DC value of voltage