1. Long wire antenna
2. Loop antenna
3. Broadside array
4. All of above
Loop antenna
1. Non-resonant antenna
2. Resonant antenna
3. Directional high frequency antenna
4. None of these
Non-resonant antenna
1. High gain
2. High bandwidth
3. Parasitic reflector
4. Parasitic director
High gain
1. d1>0, b2>0, b1 and d2 can be anything
2. d1>0, d2>0, b1 and b2 can be anything
3. b1>0, b2>0, d1 and d2 can be anything
4. b1> 0, b2>0, b1 and d1 can be anything
d1>0, b2>0, b1 and d2 can be anything
1. Elementary doublet
2. Halfwave dipole
3. Isotropic antenna
4. Rhombic antenna
Isotropic antenna
1. Parallel to the incoming wave
2. At right angles to the incoming wave
3. At 450 to the incoming wave
4. None of the above
Parallel to the incoming wave
1. SIDs
2. Faraday rotation
3. Atmosphere storms
4. Fading
Fading
1. Completely controllable and observable
2. Completely controllable and unobservable
3. Uncontrollable but observable
4. Neither completely controllable not observable
Completely controllable and unobservable
1. Two maximum
2. Two minimum
3. One maximum and one null
4. Two maximum and two null
Two maximum and two null
1. Loop area
2. Wavelength of the incoming signal
3. Angle of orientation of the loop
4. All of the above
All of the above