A. wattmeters
B. voltmeters
C. ammeters
D. ohmmeters and resistance bridges
E. all of the above
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Related Mcqs:
- 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...
- The power of a n-phase circuit can be measured by using a minimum of_______________?
- A. (n – 1) wattmeter elements B. n wattmeter elements C. (n + 1) wattmeter elements D. 2n wattmeter elements...
- If an inductance is connected in one arm of bridge and resistances in the remaining three arms____________?
- A. the bridge can always be balanced B. the bridge cannot be balanced C. the bridge can be balanced if the resistances have some specific values...
- Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?
- A. Absolute instruments B. Indicating instruments C. Recording instruments D. Integrating instruments...
- 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...
- Alternating current is measured by_______________?
- A. induction ammeter B. permanent magnet type ammeter C. electrostatic ammeter D. moving iron repulsion type voltmeter...
- E.m.f. of a Weston cell is accurately measured by________________?
- A. electrostatic voltmeter B. hot wire voltmeter C. isothermal voltmeter D. electrodynamic voltmeter...
- Which of the following is measured by using a vector voltmeter ?
- A. Amplifier gain and phase shift B. Filler transfer functions C. Complex insersion loss D. All of the above...
- To measure a resistance with the help of a potentiometer it is_________________?
- A. necessary to standardise the potentiometer B. not necessary to standardise the potentiometer C. necessary to use a volt ratio box in conjunction with the potentiometer D. none of the above...
- A __________ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly___________?
- A. deflecting B. controlling C. damping D. any of the above...
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