To achieve higher gain, which of the following adjustments would be inappropriate?

To achieve higher gain in an amplifier system, it is crucial to optimize the factors that contribute to amplification. Limiting the input signal strength would be an inappropriate adjustment for obtaining higher gain, as gain refers to the ratio of the output signal strength to the input signal strength. If the input signal is weaker or limited, it does not allow the amplifier to utilize its full potential or gain capability effectively.

In contrast, reducing feedback resistor values can increase gain by providing less negative feedback, which typically allows for more amplification of the input signal. Increasing the bypass capacitor size can improve gain in certain configurations by allowing higher frequencies to be amplified more efficiently, thereby enhancing the amplifier's overall performance. Lastly, adding more gain stages typically leads to a higher overall gain, as each stage can amplify the signal further.

In summary, while other adjustments can enhance gain, limiting the input signal strength contradicts the fundamental goal of amplification, making it the inappropriate choice for increasing gain.