A. ammeter
B. voltmeter
C. flux-meter
D. ballistic galvanometer
Related Mcqs:
- 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 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 - The pressure coil of a wattmeter should be connected on the supply side of the current coil when______________?
A. load impedance is high
B. load impedance is low
C. supply voltage is low
D. none of the above - In Weston synchronoscope the moving coil is connected across______________?
A. bus-bars
B. incoming alternator
C. fixed coils
D. any of the above - In a low power factor wattmeter the compensating coil is connected_______________?
A. in series with current coil
B. in parallel with current coil
C. in series with pressure coil
D. in parallel with pressure coil - In a low power factor wattmeter the pressure coil is connected_______________?
A. to the supply side of the current coil
B. to the load side of the current coil
C. in any of the two meters at connection
D. none of the above - 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 - 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 function of shunt in an ammeter is to______________?
A. by pass the current
B. increase the sensitivity of the ammeter
C. increase the resistance of ammeter
D. none of the above - The multiplier and the meter coil in a voltmeter are in________________?
A. series
B. parallel
C. series-parallel
D. none of the above
