Explain the behaviour of dielectric slab which is subjected to an external electric field

Explain the anomalous behaviour of water

With the help of neat diagrams, explain how the non-polar dielectric material is polarized in external electric field of increasing intensity. Define polarization in dielectrics

Explain polarization of a polar dielectric in an external electric field.

Explain polarization of a non-polar dielectric in an external electric field.

Explain anamalous behaviour of fluorine.

Explain the heating effect of electric current.

Explain anamalous behaviour of oxygen.

Explain the behaviour of a ferromagnetic substance before and after application of external magnetic field.

Define the term potential energy of a charge q at a distance r in an external electric field.

The unit of intensity of electric field is