The household energy meter is_______________?
The household energy meter is_______________? A. an indicating instrument B. a recording instrumentC. an integrating instrument D. none of the above
The household energy meter is_______________? A. an indicating instrument B. a recording instrumentC. an integrating instrument D. none of the above
An ammeter is a______________? A. secondary instrument B. absolute instrument C. recording instrument D. integrating instrument
The switch board instruments________________? A. should be mounted in vertical position B. should be mounted in horizontal position C. either A. or B. D. neither A. nor B.
The pointer of an indicating instrument should be______________? A. very light B. very heavy C. either A. or B. D. neither A. nor B.
Which of the following meters are not used on D.C. circuits______________? A. Mercury motor meters B. Commutator motor metersC. Induction meters D. None of the above
In a portable instrument, the controlling torque is provided by_____________? A. spring B. gravity C. eddy currents D. all of the above
In majority of instruments damg is provided by______________? A. fluid friction B. springC. eddy currents D. all of the above
The disc of an instrument using eddy current damg should be of________________? A. conducting and magnetic material B. non-conducting and magnetic materialC. conducting and non-magnetic material D. none of the above
The function of shunt in an ammeter is to______________? A. by pass the current B. increase the sensitivity of the ammeter C. increase the resistance of ammeter D. none of the above
A potentiometer may be used for_________________? A. measurement of resistance B. measurement of current C. calibration of ammeter D. calibration of voltmeterE. all of the above