The device used for conversion of D.C. to A.C. is called______________?

Related Mcqs:

1. The device or circuit used for conversion of A.C. into D.C. is called_______________?

   A. An amplifier.
   B. A rectifier
   C. Filtering circuit
   D. Converter.

2. The rectangular coordinate system is also called______________?

   A. Polar coordinate system
   B. Cartesian coordinate system
   C. Cylindrical coordinate system
   D. Spherical coordinate system

3. A lens which converges a beam of parallel rays to a point is called______________?

   A. diverging (or concave) lens
   B. converging (or convex) lens
   C. plano concave lens
   D. plano convex lens

4. A point where the incident parallel rays of light converge or appear to diverge after passing through a lens is called______________?

   A. center of curvature
   B. focus
   C. optical center
   D. aperture

5. Adiabatic process is also called______________?

   A. Heat exchange process
   B. Heating process
   C. Isentropic process
   D. All of the above

6. The formula of inter-conversion of centigrade and Fahrenheit scale is___________?

   A. c-32/9
   B. f -32/9 =c/5
   C. f-32/9=c/9
   D. none

   Submitted by: Mahrukh

7. Galvanometer is a very sensitive device with______________________?

   A. very low damping
   B. very high damping
   C. no damping at all
   D. radial field disintegration

8. A device for producing high-velocity nuclei is ________________?

   A. Cloud chamber
   B. Linear accelerator
   C. A mass spectrograph
   D. Wilson cloud chamber

9. Thermions are________________?

   A. protons
   B. positrons
   C. electrons
   D. photons

10. The rectangular voltage is an example of____________________?

    A. An analogue waveform
    B. Continuous wave form
    C. Electronic waveform
    D. A digital waveform