What does a transducer convert in its process?

A transducer is a device that converts one form of energy into another. In the context of the correct answer, a transducer converts mechanical vibrations into electrical signals. This process is commonly used in various applications, such as in microphones and accelerometers, where sound waves or physical vibrations are transformed into corresponding electrical signals that can be measured and recorded.

Understanding the mechanics behind this process is crucial, especially in fields like industrial automation, where precise monitoring and control of mechanical systems are essential. By converting mechanical vibrations into electrical signals, transducers enable the analysis and manipulation of physical phenomena, facilitating tasks such as feedback control in machinery, signal processing, and data acquisition.

The other options refer to different types of energy conversions but do not define the primary function of a transducer as accurately as the selected answer does. Each of those scenarios describes processes involving different systems or devices that may not specifically fit within the transducer's typical role of converting mechanical input into electrical output.