When the dielectric is homogeneous,the potential gradient is_____________?

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. When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will______________?

   A. remain uncharged
   B. decrease
   C. increase
   D. become zero

3. The minimum value of potential gradient in a cable occurs in____________?

   A. insulation
   B. conductor
   C. outer sheath
   D. uniformly all over

4. at a point is equal to the negative potential gradient at that point?

   A. Electric intensity
   B. Electric flux
   C. Magnetic flux
   D. Magnetic flux density

5. The potential gradient across the material of low permittivity is than across the material of high permittivity?

   A. smaller
   B. greater
   C. both (A) and (B)
   D. none of the above

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

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

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

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

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

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

9. Dielectric strength of mica is___________?

   A. 10 to 20 kV/mm
   B. 30 to 50 kV/mm
   C. 50 to 200 kV/mm
   D. 300 to 500 kV/mm

10. Dielectric constant for mica is nearly_____________?

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