An amplifier is designed using fixed bias configuration, what is its input impedance (source Resistor is un bypassed)?
(a) RD+rd
(b) RG
(c) RD || rd
(d) 0
This question was addressed to me by my school teacher while I was bunking the class.
This intriguing question comes from The Common Source Amplifier topic in division Field-Effect Transistors of Electronic Devices & Circuits