engineering recuitment ISRO Scientist Electronics Mock Test Electromagnetic Theory Antennas Antenna Characteristics
The radiation pattern of an antenna in spherical co-ordinates is given by
\(F\left( \theta \right) = {\cos ^2}\theta ,0 \le \theta \le \;\pi \;/2\)
The directivity of the antenna is
1
10 dB
2
12.6 dB
3
11.5 dB
4
18 dB