Measurement and Instrumentation

A. unity
B. 0.5
C. 0.3
D. zero

A. from a source which is not the same as the unknown voltage
B. from a battery
C. from the same source as the unknown voltage
D. any of the above

A. D.C. potentiometer
B. Drysdale potentiometer
C. A.C. co-ordinate potentiometer
D. Crompton potentiometer

A. single-phase winding
B. two-phase winding
C. three-phase winding
D. any of the above

A. comparing two voltages
B. measuring a current
C. comparing two currents
D. measuring a voltage
E. none of the above

A. directly by a D.C. potentiometer
B. a D.C. potentiometer in conjunction with a volt ratio box
C. a D.C. potentiometer in conjunction with a known resistance
D. none of the above

A. spring
B. gravity
C. coil
D. eddy current

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

A. linear
B. non-linear
C. either A. or B.
D. neither A. nor B.

A. almost zero
B. low
C. high
D. none of the above