A. Kelvin’s double bridge
B. Wheat stone bridge
C. Meggar
D. None of the above
Related Mcqs:
- For measuring current at high frequency we should use_______________?
A. moving iron instrument
B. electrostatic instrument
C. thermocouple instrument
D. none of the above - To avoid the effect of stray magnetic field in A.C. bridges we can use_______________?
A. magnetic screening
B. Wagner earthing device
C. wave filters
D. any 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 - A moving-coil permanent-magnet instrument can be used as ____________by using a low resistance shunt?
A. ammeter
B. voltmeter
C. flux-meter
D. ballistic galvanometer - is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another_______________?
A. Tangent galvanometer
B. Meggar
C. Current transformer
D. None of the above - To measure a resistance with the help of a potentiometer it is_________________?
A. necessary to standardise the potentiometer
B. not necessary to standardise the potentiometer
C. necessary to use a volt ratio box in conjunction with the potentiometer
D. none of the above - When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is____________?
A. short-circuited
B. all right
C. faulty - The resistance in the circuit of the moving coil of a dynamometer wattmeter should be_____________?
A. almost zero
B. low
C. high
D. none of the above - In order to achieve high accuracy, the slide wire of a potentiometer should be_______________?
A. as long as possible
B. as short as possible
C. neither too small not too large
D. very thick - For measurements on high voltage capacitors, the suitable bridge is_______________?
A. Wein bridge
B. Modified De Santy’s bridge
C. Schering bridge
D. Any of the above
E. None of the above
