What Is The Difference Between Isotropic And Non-isotropic Source?

1.	What Is The Difference Between Isotropic And Non-isotropic Source?
Answer» Isotropic SOURCE RADIATES energy in all DIRECTIONS but non-isotropic source radiates energy only in some desired directions. Isotropic source is not PHYSICALLY realizable but non-isotropic source is physically realizable.

Answer»

Isotropic SOURCE RADIATES energy in all DIRECTIONS but non-isotropic source radiates energy only in some desired directions.
Isotropic source is not PHYSICALLY realizable but non-isotropic source is physically realizable.

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