A. in series with current coil
B. in parallel with current coil
C. in series with pressure coil
D. in parallel with pressure coil
0
An induction wattmeter can be used for_________________?
2
A dynamometer 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
0
The multiplier and the meter coil in a voltmeter are in________________?
A. both D.C. and A.C.
B. D.C. only
C. A.C. only
D. any of the above
0
For measuring current at high frequency we should use_______________?
A. series
B. parallel
C. series-parallel
D. none of the above
0
The pressure coil of a wattmeter should be connected on the supply side of the current coil when______________?
A. moving iron instrument
B. electrostatic instrument
C. thermocouple instrument
D. none of the above
0
The adjustment of position of shading bands, in an energy meter is done to provide______________?
A. load impedance is high
B. load impedance is low
C. supply voltage is low
D. none of the above
0
For measuring a very high resistance we should use_______________?
A. friction compensation
B. creep compensation
C. braking torque
D. none of the above
0
The operating voltage of a meggar is about_______________?
A. Kelvin’s double bridge
B. Wheat stone bridge
C. Meggar
D. None of the above
0
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. 6 V
B. 12 V
C. 40 V
D. 100 V
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