Question

What is nonpolar dielectric? 

Answer 1

1. A dielectric in which the centre of mass of the positive charges coincides with the centre of mass of the negative charges is called a non-polar dielectric.
2. Representation:  
   
3. These have symmetrical shapes and have zero dipole moments in the normal state.
4. Examples: H₂, N₂, O₂, CO₂, benzene, methane.