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

Academy of PakistanTest & Learning

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Academy of PakistanTest & Learning

804Active Users

2192Electrical EngineeringMedium

A49dB

B98dB

C102dB

D51dB

Correct answer

B. 98dB

Explanation

The correct answer is 98dB.

Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250,are cascaded.The open circuit voltage gain of combined amplifier is________? - Answer and Explanation | Academy of Pakistan