Capacity of an air capacitoris20muF.Thes...

Capacity of an air capacitoris`20muF`.Theseparation between the parallel plates is8mm.Acopper plate of 4mm thickness is introduced symmetrically between the plates. The capacitance now becomes_

`40muF`

`42muF`

`30muF`

`32muF`

Text Solution

Verified by Experts

Topper's Solved these Questions

Electrostatics
CHETANA PUBLICATION|Exercise Exercise|73 Videos
Electromagnetic Induction
CHETANA PUBLICATION|Exercise EXERCISE|109 Videos
Kinetic Theory of Gases and Radiation
CHETANA PUBLICATION|Exercise Exercise|110 Videos

Similar Questions

Explore conceptually related problems

To reduce the capacity of a parallel plate condenser,separation between the plates is

In a capacitor of capacitance 20muF , the distance between the plates is 2 mm. If a dielectric slab of width 1 mm and dielectric constant 2 is inserted between the plates, what is the new capacitance?

A metal foil of negligible thickness is introduced between the two plates of a capacitor at the centre. The capacitance of capacitor will be

An air capacitor of capacity 50 mu F is charged to a potential of 200 V. The area of each plate is 20 cm^2 and the distance of separation between the plates is 0.1 mm, find the energy per unit volume of the electric field between the plates of the capacitor .

In a parallel plate capacitor with air between the plates, each plate has an area of 6 xx 10^-3m^2 and the separation between the plate is 2mm:- Calculate the capacitance of the capacitor.

In a parallel plate capacitor with air between the plates, each plate has an area of 6 xx 10^-3 m^2 and the distance between the plates is 3mm.Calculate the capacitance of the capacitor.If this, capacitor is connected to a 100 V supply,what is the charge on each plate of the capacitor ?

A parallel plate air condenser has a capacity of 21 mu F . What will be the new capacity if A marble slab of dielectric constant 8 is introduced between the two plates?

In a parallel plate capacitor with air between the plates, each plate has an area of 6 xx 10^-3 m^2 and the separation between the plates is 2 mm. How would charge on the plates be affected if a 2 mm thick mica sheet of k = 6 is inserted between the plates while the voltage supply remains connected ?

CHETANA PUBLICATION-Electrostatics-Exercise

A capacitor of capacity C has a charge Q and stored energy is W. If th...
Text Solution
|
An air filled capacitor has a capacitance 2p^f. Now the plate separati...
Text Solution
|
Capacity of an air capacitoris20muF.Theseparation between the parallel...
Text Solution
|
For the combination of capacitors given in the figure below, the equiv...
Text Solution
|
In the series combination of three capacitors of capacitances C1, C2, ...
Text Solution
|
Three equal capacitors are connected as shown in figure. Then the equi...
Text Solution
|
Displacement current is due to
Text Solution
|
Displacement current is given by
Text Solution
|
Select and write correct alternative from the following alternatives: ...
Text Solution
|
Select and write correct alternative from the following alternatives::...
Text Solution
|
Select and write correct alternative from the following alternatives::...
Text Solution
|
Select and write correct alternative from the following alternatives:-...
Text Solution
|
The safest way protect yourself from lightning is to be inside a car. ...
Text Solution
|
Define electric potential
Text Solution
|
Define potential gradient.
Text Solution
|
State any four properties of a conductor under electrostatic condition...
Text Solution
|
Distinguish between polar molecules and non polar molecules (Any 2 poi...
Text Solution
|
Draw a neat labelled diagram of equipotential surface for a uniform el...
Text Solution
|
Derive an expression for potential energy of a dipole in an external e...
Text Solution
|
A parallel plate air capacitor has a capacitance of 4muF. A slab of di...
Text Solution
|