True or False: Semiconductors are used in the construction of solid-state devices.

Semiconductors are indeed fundamental components in the construction of solid-state devices. These materials have electrical properties that fall between those of conductors and insulators, allowing them to control electrical current flow. This ability makes semiconductors essential for the functioning of various electronic devices, including transistors, diodes, and integrated circuits, which are all integral to solid-state technology.

Solid-state devices rely on semiconductors to perform tasks such as amplification, energy conversion, and signal processing. For instance, in a transistor, semiconductors enable the device to act as a switch or amplifier in electronic circuits. Consequently, the statement is true, reflecting the importance of semiconductors in modern electronic applications and innovations.