1. Use of larger section of conductor
2. Providing insulation on conductor
3. Top loading of antenna
4. All the above
Top loading of antenna
1. Lower is the impedance mismatch
2. Higher is the magnitude of reflection con-efficient
3. Higher is the permittivity of the transmission line dielectric
4. Lower is the propagation velocity
Higher is the magnitude of reflection con-efficient
1. Radar
2. Direction finding
3. Satellite communication
4. All the above
Direction finding
1. Far field region
2. Induction field region
3. Both (a) and (b) above
4. None of these
Induction field region
1. Line be open circuited
2. Line be short circuited
3. The receiving ends be bent outward at right angle to the line
4. None of the above
The receiving ends be bent outward at right angle to the line
1. λ = R+ jωL
2. λ = R - jωL
3. λ = G+jωC
4. λ = jωGC
λ = G+jωC
1. Greater than
2. Less than
3. Greater than
4. Less than
Greater than
1. Cross-over region
2. Reactive near field region
3. Radiative near field region
4. Far field region
Radiative near field region
1. cosine terms only
2. sine terms only
3. odd harmonic terms only
4. even harmonic terms only
even harmonic terms only
1. Discriminate against harmonics
2. Make the antenna look resistive
3. Provide the output amplifier with the correct load impedance
4. All the above
Provide the output amplifier with the correct load impedance