Question
Question: An antenna is a device...
An antenna is a device
A
That converts 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
Answer
That converts guided electromagnetic waves into free space electromagnetic waves and vice-versa
Explanation
Solution
An antenna is a metallic structure used to radiate or receive EM waves.