Q. An antenna is a device
A) That convert electromagnetic energy into radio frequency signal
B) That converts radio frequency signal into electromagnetic energy
C) That converts guided electromagnetic waves into free space electromagnetic waves and vice-versa
D) None of these
Explanation
(c) An antenna is a metallic structure used to radiate or receive EM waves
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.