A. an indicating instrument
B. a recording instrument
C. an integrating instrument
D. none of the above
A. secondary instrument
B. absolute instrument
C. recording instrument
D. integrating instrument
A. should be mounted in vertical position
B. should be mounted in horizontal position
C. either A. or B.
D. neither A. nor B.
A. very light
B. very heavy
C. either A. or B.
D. neither A. nor B.
A. Mercury motor meters
B. Commutator motor meters
C. Induction meters
D. None of the above
A. spring
B. gravity
C. eddy currents
D. all of the above
A. fluid friction
B. spring
C. eddy currents
D. all of the above
A. conducting and magnetic material
B. non-conducting and magnetic material
C. conducting and non-magnetic material
D. none of the above
A. by pass the current
B. increase the sensitivity of the ammeter
C. increase the resistance of ammeter
D. none of the above
A. measurement of resistance
B. measurement of current
C. calibration of ammeter
D. calibration of voltmeter
E. all of the above