1. fluxes produced by the coils are equal
2. fluxes produced by the coils act in the same direction
3. fluxes produced by the coils are in the opposition
4. two coils are wound in the same sense
fluxes produced by the coils act in the same direction
1. Infinity
2. Z0
3. Zero
4. None of these
Infinity
1. Near field region
2. Induction field region
3. Crossover region
4. Far field region
Far field region
1. Isotropic radiator
2. Half-wave dipole
3. Elementary doublet
4. Wire antenna
Isotropic radiator
1. Normalized resistance or conductance
2. Different values of SWR
3. Normalized reactant or susceptance
4. None of these
Normalized reactant or susceptance
1. Directivity
2. Directive gain
3. Effective radiated power (ERP)
4. Radiation efficiency
Radiation efficiency
1. Represent normalized constant resistance or conductance
2. Represent normalized constant reactance or susceptance
3. Are constant SWR circles
4. Are constant ‘P’ circles
Represent normalized constant resistance or conductance
1. Shielded line
2. Two wire line
3. Coaxial line
4. Flat ribbon type transmission line
Flat ribbon type transmission line
1. SWR for any given transmission line-load mismatch
2. Magnitude and angle of reflection co-efficient
3. The length of short circuited transmission line section of known characteristic impedance to provide the desired input impedance
4. All of the above
All of the above
1. Reducing radiation resistance of the system
2. Increasing radiation resistance of the system
3. Providing effective earthing
4. All the above
Increasing radiation resistance of the system