The gravity controlled instrument has crowded scale because current is proportional to________________?

Related Mcqs:

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...

Which of the following meters are not used on D.C. circuits______________?

A. Mercury motor meters B. Commutator motor meters C. Induction meters D. None of the above...

A direct current can be measured by________________?

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

In a single phase power factor meter the phase difference between the currents in the two pressure coils is___________________?

A. exactly 0° B. approximately 0° C. exactly 90° D. approximately 90°...

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...