Question

The transistor made radio receivers ______. A) portable. B) expensive. C) larger. D) stereophonic. E) disposable. A) portable.

Answer 1

A. portable

Step-by-step explanation:

A transistor radio is a small portable radio receiver that uses transistor-based circuitry. Following the invention of the transistor in 1947—which revolutionized the field of consumer electronics by introducing small but powerful, convenient hand-held devices—the Regency TR-1 was released in 1954 becoming the first commercial transistor radio.