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Which of the following statements are correct?

(1) Antenna converts electromagnetic energy into electrical signals when used as a transmitting antenna

(2) Antenna should behave as a resonant circuit

(3) Beam antennas are used for highly directional and low angle radiation.

$\begin{array}{1 1}(a)\;\text{(1) alone}\\(b)\; \text{(1) and (2)}\\(c)\;\text{(3) alone}\\(d)\;\text{all the above}\end{array}$

1 Answer

Antenna converts electrical signal to electromagnetic energy when used as a transmitter.It behaves as a resonant circuit and when be low angle and directional radiation is needed beam antennas are used.
Hence (B) is the correct answer.
answered Mar 17, 2014 by sreemathi.v
edited Jul 12, 2014 by balaji.thirumalai