One of the purposes of a(n) ________ is to emit an electromagnetic signal into air or space.
A) antenna
B) modulator
C) filter
D) mixer

Question

Quizplus · Accepted Answer

An antenna is specifically designed to emit or receive electromagnetic signals, making it the best choice for this purpose. Modulators, filters, and mixers all have different functions and are not specifically designed for emitting signals.

One of the Purposes of A(n) ________ Is to Emit