Antennas are used
A. As transducer
B. To focus
C. Both of the mentioned
D. None of the mentioned
Answer:A
Antennas are used
A. As transducer B. To focus C. Both of the mentioned D. None of the mentioned
Explanation: Antennas are used as transducer that convert electronic signals to electromagnetic fields and vice versa. They are also used to focus the electromagnetic energy in the desired direction.