Antenna’s efficiency is given by the ratio of

Related MCQs

•              antennas have gain less than reflector antennas but have more lenient tolerance on surfaces.
• The antennas which offer high operational bandwidth and the antenna parameters are maintained over a wide range of antennas are called:
• Dipole antennas are an example for:
•                    antennas consist of a regular arrangement of antenna elements with a feed network
• Antennas having a constant pattern in the azimuthal plane are called                            
• Antennas are used
• Which of the following antennas produce a vertical radiation pattern?
• Based on the size of the loops, loop antennas are classified as small and large loops. This is the only classification of loop antenna.
• Reflector antennas are widely used to modify radiation patterns of radiating elements.
• Lens antennas are classified into two types. One being fast antenna, the other one is: