0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

The dielectric constant of air is.
  1. 8.85×1012C2N1M2
  2. Zero
  3. 1
  4. Infinite

A
Infinite
B
8.85×1012C2N1M2
C
1
D
Zero
Solution
Verified by Toppr

The correct option is B 1
Dielectric constant of a medium K=ϵϵo
where ϵ is the permittivity of the medium.
For air, ϵ=ϵo
K=1

Was this answer helpful?
0
Similar Questions
Q1

The area of the positive plate is 125cm2 and the area of the negative plate is 100cm2, They are parallel to each other and are separated by 0.5 cm . The capacity of a condenser with air as dielectric is :

(ε0=8.9×1012C2N1M2)


View Solution
Q2
Two square metallic plates of 1m side are kept 0.01 m apart, like a parallel plate capacitor, in air in such a way that one of their edges is perpendicular to an oil surface in a tank filled with insulating oil. The plates are connected to a battery of emf 500V. The plates are then lowered vertically into the oil at a speed of 0.001 m/s. Calculate the current drawn from the battery during the process. (dielectric constant of oil =11,εo=8.85×1012C2N1m2)
View Solution
Q3
The dielectric constant of air is.
View Solution
Q4
Number of electric lines of force from 0.5 C of positive charge in a dielectric medium of dielectric constant 10 is
View Solution
Q5
A cube of marble having each side 1cm is kepy in an electric field of intensity 300 V/m. Determine the energy contained in the cube of dielectric constant 8. [Given: ϵ0=8.85×1012C2/Nm2].
View Solution