Measurement and Instrumentation
Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit.

 1 is true but 2 is false.
 Both 1 and 2 are false.
  1 is false but 2 is true.
 Both 1 and 2 are true.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
A DC potentiometer is the best means available for the measurement of DC voltage because

 The precision in measurment is independent of the type of the defector used.
 It is possible to standardize before a measurement is undertaken.
  It is based on null balance technique.
 None of above.

ANSWER DOWNLOAD EXAMIANS APP