Describe the use of transformer for long distance transmission of a.c.

Why do we use geostationary satellites for long distance transmission of T.V. signals?

What is the principle of a transformer ? Explain the theory and its application for long distance transmission of electrical energy.

Answer the following question: It is necessary to use satellites for long distance TV transmission. Why?

Give a reason to show that microwaves are better carries of signals for long range transmission than radio waves.

Describe transformation.