The dissipation factor of a good dielectric is of the order of____________?

Related Mcqs:

1. Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ________?

   A. 50
   B. 100
   C. 150
   D. 200

2. The capacity of capacitor bank used in power factor correction is expressed in terms of____________?

   A. kW
   B. kVA
   C. kVAR
   D. volts

3. Which of the following materials has the highest value of dielectric constant___________?

   A. Glass
   B. Vacuum
   C. Ceramics
   D. Oil

4. Dielectric strength of medium____________?

   A. increases with rise in temperature
   B. increases with moisture content
   C. is same for all insulating materials
   D. none of the above

5. Which is the most superior dielectric out of the following ?

   A. Air
   B. Glass
   C. Bakelite
   D. Paper

6. Dielectric strength of a medium is usually expressed in____________?

   A. J/mm
   B. C/m2
   C. kV/mm
   D. N/mm

7. When a dielectric is placed in an electric field the field strength____________?

   A. decreases
   B. increases
   C. reduces to zero
   D. remain unchanged

8. Dielectric strength of a material depends on_____________?

   A. moisture content
   B. temperature
   C. thickness
   D. all of the above
   E. none of the above

9. Which of the following material has least value of dielectric constant ?

   A. Ceramics
   B. Oil
   C. Glass
   D. Paper

10. Dielectric constant for mica is nearly_____________?

    A. 200
    B. 100
    C. 3 to 8
    D. 1 to 2