Hi JVP,
As this is Homework what do you think is the purpose of the circuit.?
E

 

This seems to be the same question as this thread. Is it the same person using a different name ?
We don't give the answer to homework questions. We want to see what what you have done to answer the question then we will try to give hints about the answer or where you have gone wrong.

Les.

 

Hello,

@LesJones , both have New York City College of Technology as institute in their profile.
It could be they are class mates.

Bertus