The quiz below is the fourth and final one in a series of tests aimed at testing out how much you understand on antenna theory and wave propagation. Give it a try and do come back for more quizzes to help you in your end year applied physics exams.
Omnidirectional
Bidirectional
Unidirectional
Hemispherical
Rhombic
Half-wave dipole
Isotropic
Whip
1.76 dB
2.15 dB
3 dB
0 dB
By adding several antennas in parallel
By adding several antennas in parallel
By making antenna rods thicker
By making the antenna size larger
Hertzian dipole
Loop antenna
Marconi antenna
Elementary doublet
3
5
4
6
200 ft
500 ft
250 ft
999 ft
10
1
100
1000
25000 dB
10 dB
100 dB
20 dB
Driven element
Reflector element
Director element
Parasitic element
Vertically
Negatively
Horizontally
Circularly
200 μV/m
10 μV/m
100 μV/m
20 μV/m
3.3 times
6.6 times
1.82 times
10.89 times
88 MHz
44 MHz
22 MHz
11 MHz
Directivity
Sensitivity
Beamwidth
Front-to-back ratio