1. 10 and 200
2. 20 and 200
3. 20 and 400
4. 100 and 400
100 and 400
1. A null in the direction of the dipole
2. A null in the plane perpendicular to the dipole
3. A peak in the direction of the dipole
4. None of the above
A null in the direction of the dipole
1. Antenna being terminated in a resistance
2. The presence of only the forward travelling wave and absence of standing waves
3. A unidirectional radiation pattern
4. All the above
All the above
1. Behaves like an antenna array
2. Is nothing but Marconi antenna
3. Acts as a single antenna of twice the height
4. Is a horizontally polarized antenna
Is a horizontally polarized antenna
1. Behave like an antenna array
2. Is nothing but Marconi antenna
3. Acts as a single antenna of twice the height
4. Is a horizontally polarized antenna
Behave like an antenna array
1. 60 Ω
2. 80 Ω
3. 100 Ω
4. infinity
100 Ω
1. 16%
2. 9%
3. 2%
4. Zero
9\%
1. 100m
2. 3 m
3. 1.5 m
4. 0.75 m
1.5 m
1. Yagi—uda
2. Folded-diple
3. Log periodic antenna
4. None of the above
Yagi—uda
1. s = 0 and s = j2
2. s = j2 and s= -j2
3. s = -2j and s = -2
4. s = 0 and s = -2
s = 0 and s = -2