Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1K? & output resistance of 250 ,are cascaded.The open circuit voltage gain of combined amplifier is_________?

A. 102dB

B. 98dB

C. 51dB

D. 49dB

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.