Explain rf?
How many satellites are required to cover the earth?
How does a mobile work?
What is inductor?
What is a trducer and trponder?
What is an amplifier?
What is multiplexing?
What is barkhausen criteria?
What is conductor?
Difference between electronic and electrical.
What is pass band?
What is a rectifier?
What is tristor?
What is a base station?
Explain am and fm.