A. D.C. ammeter hour meter
B. D.C. ammeter
C. D.C. energy meter
D. none of the above
0
For handling greater currents induction wattmeters are used in conjunction with______________?
0
is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another_______________?
A. potential transformers
B. current transformers
C. power transformers
D. either of the above
E. none of the above
0
Induction type single phase energy meters measure electric energy in_______________?
A. Tangent galvanometer
B. Meggar
C. Current transformer
D. None of the above
0
A moving-coil permanent-magnet instrument can be used as flux-meter_____________?
A. kW
B. Wh
C. kWh
D. VAR
E. None of the above
0
Most common form of A.C. meters met with in every day domestic and industrial installations are______________?
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
0
An induction meter can handle current up to_____________?
A. mercury motor meters
B. commutator motor meters
C. induction type single phase energy meters
D. all of the above
0
__________ instruments are those which measure the total quantity of electricity delivered in a particular time ?
A. 10 A
B. 30 A
C. 60 A
D. 100 A
0
Resistances can be measured with the help of_______________?
A. Absolute
B. Indicating
C. Recording
D. Integrating
0
The use of _________ instruments is merely confined within laboratories as standardizing instruments?
A. wattmeters
B. voltmeters
C. ammeters
D. ohmmeters and resistance bridges
E. all of the above
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