Which of the following is equation of electromagnetic radiation?
Loop antenna is a
Isotropic antenna radiates electromagnetic wave
Which of the following is true?
Dipole antenna is
The input impedance of dipole antenna at the resonant frequency is
Principal Plane in the radiation pattern are defined
The beam width of the antenna pattern measured at half power points is called:
The region in which no power is radiated by the antenna is
Which among the following defines the angular distance between two points on each side of major lobe especially when the radiation drops to zero?
Which pattern is generated due to plotting of square of amplitude of an electric field?
From the radiation point of view, small loops are................................ radiators
Radiation patterns are generally plotted in ............................. region.
In a non-isotropic directional antenna, which radiating lobe axis makes an angleof 180° w.r.t. major beam of an antenna?
Power radiated from an antenna per unit solid angle is called
If the gain and directivity of an antenna is same, then the efficiency of the antenna is
|
For For a isotropic antenna , gain would be |
The input power to an antenna is 1W. The gain of the antenna is 3dB. The radiated power will be
If the length of the dipole increases, the directivity of it will
The PLF(polarization loss factor) for a polarization match between a transmitter antenna and receiver antenna is
The radial distance of far field region is
The polarization of antenna is defined in its
The more the radiation resistance of an antenna
The directivity of an infinitesimal dipole
The thicker dipole will have ................................. impedance bandwidth as compared to thin dipole.
