A sensitive galvanometer produces large deflection for a_______________?
A. Small value of current
B. Large value of current
C. Large value of power
D. Large value of voltage
Volt box is a component to_____________?
A. Extend voltage range
B. Measure voltage
C. Compare voltage in a box
D. None of the above
Commonly used standard capacitor is______________?
A. Spherical type
B. Concentric cylindrical type
C. Electrostatic type
D. Multilayer parallel plate type
In Weston synchronoscope the moving coil is connected across______________?
A. Bus-bars
B. Incoming alternator
C. Fixed coils
D. Any of the above
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
In an Anderson bridge, the unknown inductance is measured in terms of_______________?
A. Known inductance and resistance
B. Known capacitance and resistance
C. Known resistance
D. Known inductance
Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to_____________?
A. Improve its ventilation
B. Eliminate creeping at no load
C. Increase its deflecting torque
D. Increase its braking torque
To measure radio frequency, the suitable frequency meter is_______________?
A. Weston frequency meter
B. Reed vibrator frequency meter
C. Heterodoxy frequency meter
D. Electrical resonance frequency meter
Wattmeter cannot be designed on the principle of_________________?
A. Electrostatic instrument
B. Thermocouple instrument
C. Moving iron instrument
D. Electrodynamic instrument