An amplifier has an open-circuit voltage gain of 1000, an input resistance of 20 kΩ and an output resistance of 2 Ω. A signal source with an internal resistance of 10 kΩ is connected to the input terminals of the amplifier. An 8-Ω load is connected to the output terminals. Find the voltage gains Avs=Vo/Vs and Av=Vo/Vi. Also, find the power gain and current gain.

An amplifier has an open-circuit voltage gain of 1000, an input resistance of 20 kΩ and an output resistance of 2 Ω. A signal source with an internal resistance of 10 kΩ is connected to the input terminals of the amplifier. An 8-Ω load is connected to the output terminals. Find the voltage gains Avs=Vo/Vs and Av=Vo/Vi. Also, find the power gain and current gain.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter18: Resistive-inductive Parallel Circuits

Section: Chapter Questions

Problem 13PP: In an R-L parallel circuit, IT=1.25 amps, R=1.2k, and XL=1k. Find IR

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