A direct current can be measured by________________?

Related Mcqs:

1. E.m.f. of a Weston cell is accurately measured by________________?

   A. electrostatic voltmeter B. hot wire voltmeter C. isothermal voltmeter D. electrodynamic voltmeter...

2. 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...

3. Alternating current is measured by_______________?

   A. induction ammeter B. permanent magnet type ammeter C. electrostatic ammeter D. moving iron repulsion type voltmeter...

4. The electrical power to a meggar is provided by________________?

   A. battery B. permanent magnet D.C. generator C. AC. generator D. any of the above...

5. Resistances can be measured with the help of_______________?

   A. wattmeters B. voltmeters C. ammeters D. ohmmeters and resistance bridges E. all of the above...

6. 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...

7. 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...

8. 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...

9. The pressure coil of a wattmeter should be connected on the supply side of the current coil when______________?

   A. load impedance is high B. load impedance is low C. supply voltage is low D. none of the above...

10. For measuring current at high frequency we should use_______________?

    A. moving iron instrument B. electrostatic instrument C. thermocouple instrument D. none of the above...