Measurement and Instrumentation
A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is

 100 µNm.
 1 µNm.
 2 µNm.
  200 µNm.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
It can be stated that

No generalisation can be made with regard to the flux densities in CT and PT
CT operates with considerably lower flux density than a PT
CT operates with a higher flux density than PT
CT operates at almost the same flux density as a PT

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
Why is a MISC meter not recommended for DC measurement?

The meter is calibrated for AC and it’s error for DC would be high
The error is high due to hysteresis effect
The meter does not respond to DC signals
The error is high due to eddy current effect

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Measurement and Instrumentation