हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Guess a possible reason why water has a much greater dielectric constant (= 80) than say, mica (= 6). - Physics

Advertisements
Advertisements

प्रश्न

Guess a possible reason why water has a much greater dielectric constant (= 80) than say, mica (= 6).

टिप्पणी लिखिए
Advertisements

उत्तर

Water has an unsymmetrical space as compared to mica. Since it has a permanent dipole moment, it has a greater dielectric constant than mica.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

What is the work done by the field of a nucleus in a complete circular orbit of the electron? What if the orbit is elliptical?


Obtain an expression for an intensity of electric field at a point at the end of position, i.e., the axial position of an electric dipole.

x


Two point charges of 10C each are kept at a distance of 3m in the vacuum. Calculate their electrostatic potential energy.


The electrostatic potential energy of two-point charges, 1 µC each, placed 1 meter apart in the air is: 


In a region of constant potential ______.

The potential energy of a system of two charges is negative when ______.

A body moves from point A to B under the action of a force, varying in magnitude as shown in the figure. Force is expressed in newton and displacement in meter. What is the total work done?


Three point charges +2, +2, and +5µC are placed respectively at the vertices A, B, C of an equilateral triangle of side 0.2 m. The magnitude of the force experienced by the charge at C is ______.


If stretch in a spring of force constant k is tripled then the ratio of elastic potential energy in the two cases will be:


A work of 100 joule is performed in carrying a charge of 5 coulomb form infinity to a particular. point in an' electrostatic field. The potential of this point is:-


Potential energy of two equal negative point charges 2µc each held lm apart in air is:-


When one electron is taken towards the other electron, then the electric potential energy of the system ______


In a region of constant potential ______.

  1. the electric field is uniform
  2. the electric field is zero
  3. there can be no charge inside the region
  4. the electric field shall necessarily change if a charge is placed outside the region

A point charge q0 is moving along a circular path of radius a, with a point charge Q at the centre of the circle. The kinetic energy of q0 is ______.


Three-point charges Q, q and -q are kept at the vertices of an equilateral triangle of side L as shown in the figure. What is 

  1. the electrostatic potential energy of the arrangement? and
  2. the potential at point D?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×