Any one kno an answer to this question or a source on the internet where u can find answers/solutions to them?

Question

...describe with the aid of a diagram , the push-pull principle used in power amplifiers

Answer 1

Try these two references:

<>http://en.wikipedia.org/wiki/Push%E2%80%...

<>http://en.wikipedia.org/wiki/Push%E2%80%...