Measurement and Instrumentation
In a moving iron meter, the deflecting torque is proportional to

Square of the current through the coil
Current through the coil
Sine of the measurand
Squareroot of the measurand

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following?

 Frequency and period measurment modes, respectively.
 Frequency measurment modes only.
 Period measurment modes only.
  Period and frequency measurement modes respectively.

ANSWER DOWNLOAD EXAMIANS APP