A. induction instrument
B. electrostatic instrument
C. moving coil instrument
D. any of the above
Related Mcqs:
- The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a _________________?
A. single-phase winding
B. two-phase winding
C. three-phase winding
D. any of the above - A phase shifting transformer is used in conjunction with_______________?
A. D.C. potentiometer
B. Drysdale potentiometer
C. A.C. co-ordinate potentiometer
D. Crompton potentiometer - Which of the following essential features is possessed by an indicating instrument ?
A. Deflecting device
B. Controlling device
C. Damping device
D. All 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 - The disc of an instrument using eddy current damping should be of________________?
A. conducting and magnetic material
B. non-conducting and magnetic material
C. conducting and non-magnetic material
D. none of the above - In a portable instrument, the controlling torque is provided by_____________?
A. spring
B. gravity
C. eddy currents
D. all of the above - The gravity controlled instrument has crowded scale because current is proportional to________________?
A. balancing weight
B. deflection angle
C. sine of deflection angle - The rectifier instrument is not free from_______________?
A. temperature error
B. wave shape error
C. frequency error
D. all of the above - A multirangq instrument has________________?
A. multiple shunt or series resistances inside the meter
B. multicoii arrangement
C. variable turns of coil
D. multi range meters inside the measurement system
E. any of the above - The ratio of maximum displacement deviation to full scale deviation of the instrument is called_______________?
A. static sensitivity
B. dynamic deviation
C. linearity
D. precision or accuracy
