Question

The output voltage of a transistor amplifier is 12 V when the input is 2 V. What is the voltage gain of the amplifier?

• A. 6
• B. 5
• C. 4
• D. 3

Hint:

The voltage gain of an amplifier is simply the output voltage divided by the input voltage.

Answer 1

The Correct Option is A

The voltage gain $A_v$ is the ratio of the output voltage to the input voltage: \[ A_v = \frac{V_{\text{out}}}{V_{\text{in}}} \] Substituting the values: \[ A_v = \frac{12}{2} = 6 \]