A(n)____, shown in the figure above, is an electronic device that controls the flow of electrons in a vacuum.

Question

Quizplus · Accepted Answer

The device shown in the figure is a vacuum tube, also known as a "valve" in British English. Vacuum tubes were widely used in electronics before the development of transistors and integrated circuits. They control the flow of electrons in a vacuum, as stated in the question, and were used in everything from radios to early computers.

A(n)____, Shown in the Figure Above, Is an Electronic Device