A. D.C. ammeter hour meter
B. D.C. ammeter
C. D.C. energy meter
D. none of the above
The chemical effect of current is used in ______________? Read More »
Measurement and Instrumentation A. potential transformers
B. current transformers
C. power transformers
D. either of the above
E. none of the above
A. Tangent galvanometer
B. Meggar
C. Current transformer
D. None of the above
A. kW
B. Wh
C. kWh
D. VAR
E. None of the above
Induction type single phase energy meters measure electric energy in_______________? Read More »
Measurement and Instrumentation 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
A moving-coil permanent-magnet instrument can be used as flux-meter_____________? Read More »
Measurement and Instrumentation A. mercury motor meters
B. commutator motor meters
C. induction type single phase energy meters
D. all of the above
A. 10 A
B. 30 A
C. 60 A
D. 100 A
An induction meter can handle current up to_____________? Read More »
Measurement and Instrumentation A. Absolute
B. Indicating
C. Recording
D. Integrating
A. wattmeters
B. voltmeters
C. ammeters
D. ohmmeters and resistance bridges
E. all of the above
Resistances can be measured with the help of_______________? Read More »
Measurement and Instrumentation A. absolute
B. indicating
C. recording
D. integrating
E. none of the above
