# An amplifier with a voltage gain of +30db

An amplifier with a voltage gain of +30db, an input resistance of 8 k ohms, and an output resistance of 2 k ohms is used to drive a 2 k ohm load. What is the value of Avo?

a. 3.162

b. 31.62

c. 100

d. 1000

https://brainmass.com/engineering/power-engineering/an-amplifier-with-a-voltage-gain-of-30db-54722

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It is possible to calculate gain or loss in decibels using voltage or current measurements rather than power measurements. Power is the product of voltage and current, and is also defined as the square of the current times the circuit resistance, or the square of the voltage divided by the circuit ...

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