Which instrument is used to measure the power of electric circuit ?

Related Mcqs:

1. Instrument that measure the electric force ________?

   A. Hygrometer
   B. Hydrometer
   C. Ammeter
   D. Voltmeter

   Submitted by: Rashid Mehmood

2. The electric charge of 100 °C is 13cm apart from another charge 16.9°C electric force between them is_____________?

   A. 9x107N
   B. 900N
   C. 9x105N
   D. 9x106N

3. The class B push-pull circuit can deliver 100 W of a.c. output power. What should be the minimum power rating of each transistor ?

   A. 20 W
   B. 40 W
   C. 10 W
   D. 80 W

4. The instrument used to measure wind speed is?

   A. Anemometer
   B. Barometer
   C. Hydrometer
   D. Hygrometer

5. The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________?

   A. Diatonic scale
   B. Fahrenheit Scale
   C. Richter scale
   D. Celsius Scale
   E. None of these

6. An optical instrument which is used measure the properties of visible light is called?

   A. Microscope
   B. Telescope
   C. Spectroscope
   D. Oscilloscope

   Submitted by: Hussain Ahmed

7. ______ is the “Work done in moving a unit charge between two points in an electric circuit”?

   A. Potential difference
   B. Current
   C. Power
   D. Resistence

   Submitted by: Malik Asghar Hussain

8. Which one of the following can be taken as the measure of electric intensity ?

   A. F/A
   B. V/A
   C. VF/A
   D. q/VA

9. If 1 A current flows in a circuit, the number of electrons flowing through this circuit is

   A. 0.625 × 10¹⁹
   B. 1.6 × 10¹⁹
   C. 1.6 × 10-¹⁹
   D. 0.625 × 10-¹⁹

10. Which of the following circuit elements is used to ‘block’ DC in an electronic circuit ?

    A. Resistances
    B. Capacitance
    C. Inductance
    D. Diode

    Submitted by: Malik Asghar Hussain