Which of the following are integrating instruments ?

Related Mcqs:

A moving-coil permanent-magnet instrument can be used as ____________by using a low resistance shunt?

A. ammeter B. voltmeter C. flux-meter D. ballistic galvanometer...

In a portable instrument, the controlling torque is provided by_____________?

A. spring B. gravity C. eddy currents D. all of the above...

Which of the following devices should be used for accurate measurement of low D.C. voltage ?

A. Small range moving coil voltmeter B. D.C. potentiometer C. Small range thermocouple voltmeter D. None of the above...

To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken_______________?

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...

In an energy meter braking torque is produced to________________?

A. safe guard it against creep B. brake the instrument C. bring energy meter to stand still D. maintain steady speed and equal to driving torque...