A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above
A. 0.1 Hz
B. 0.25 Hz
C. 0.5 Hz
D. 1.5 Hz
A. a few volts only
B. 1 kV
C. 5 kV
D. 10 kV
A. the bridge can always be balanced
B. the bridge cannot be balanced
C. the bridge can be balanced if the resistances have some specific values
A. 10°
B. 80°
C. 120°
D. 170°
A. the same dimensions and the same number of turns
B. the same dimension but different number of turns
C. the same number of turns but different dimensions
D. none of the above
A. 0.1 Hz
B. 0.25 Hz
C. 0.5 Hz
D. 1.5 Hz
A. one voltmeter and one ammeter
B. one voltmeter, one ammeter and one wattmeter
C. one voltmeter, one ammeter and one energy meter
D. any of the above
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above
A. bus-bars
B. incoming alternator
C. a lamp
D. none of the above