A. should be mounted in vertical position
B. should be mounted in horizontal position
C. either A. or B.
D. neither A. nor B.
Related Mcqs:
- An induction meter can handle current up to_____________?
A. 10 A
B. 30 A
C. 60 A
D. 100 A - A moving-coil permanent-magnet instrument can be used as flux-meter_____________?
A. by using a low resistance shunt
B. by using a high series resistance
C. by eliminating the control springs
D. by making control springs of large moment of inertia - The household energy meter is_______________?
A. an indicating instrument
B. a recording instrument
C. an integrating instrument
D. none of the above - For measuring a very high resistance we should use_______________?
A. Kelvin’s double bridge
B. Wheat stone bridge
C. Meggar
D. None of the above - An induction wattmeter can be used for_________________?
A. both D.C. and A.C.
B. D.C. only
C. A.C. only
D. any of the above - For measurement of mutual inductance we can use________________?
A. Anderson bridge
B. Maxwell’s bridge
C. Heaviside bridge
D. Any of the above - In a Weston synchronoscope, the fixed coils are connected across_______________?
A. bus-bars
B. incoming alternator
C. a lamp
D. none of the above - The desirable static characteristics of a measuring system are______________?
A. accuracy and reproducibility
B. accuracy, sensitivity and reproducibility
C. drift and dead zone
D. static error - E.m.f. of a Weston cell is accurately measured by________________?
A. electrostatic voltmeter
B. hot wire voltmeter
C. isothermal voltmeter
D. electrodynamic voltmeter - The power of a n-phase circuit can be measured by using a minimum of_______________?
A. (n – 1) wattmeter elements
B. n wattmeter elements
C. (n + 1) wattmeter elements
D. 2n wattmeter elements
