Which term is used to describe the amplification capabilities of the amplifier?

The term that describes the amplification capabilities of an amplifier is gain. Gain is a measure of how much an amplifier increases the strength of an input signal. It is typically represented as a ratio of the output power to the input power, or in some cases, as a ratio of voltage output to voltage input. A higher gain means that the amplifier can produce a larger output signal compared to the input signal, which is a fundamental function of audio, radio frequency, and various other types of amplifiers.

In contrast, efficiency refers to how well an amplifier converts input power into output power without wasting it as heat. Output power defines the actual power level delivered to the load, but it does not inherently describe amplification capabilities. Input signal simply refers to the original signal that is fed into the amplifier for processing. Understanding these distinctions is crucial for effectively evaluating and utilizing amplifiers in various electronic applications.