Q. Radiowaves are electromagnetic waves having frequency range

View solution

Q. When a line of any odd multiple of a quarter wavelength is short-circuited it represents

View solution

Q. An antenna is considered to be in free space where its height above the ground is

View solution

Q. In waveguide Degenerate modes are

View solution

Q. Zoning is used with a dielectric antenna in order to

View solution

Q. For aeroplane and navigation frequency band is

View solution

Q. Poynting vector signifies which of the following?

View solution

Q. Which one is correct?

View solution

Q. When a magnetic circuit is compared with an electric circuit, the equivalent of the magnetic flux is

View solution

Q. For a distortionless line, the parameters are related as

View solution

Q. Phase velocity of waves propagating in a hollow metal waveguide is

View solution

Q. Good smoothing factor of a coil depends on

View solution

Q. A TEM wave incident obliquely on a dielectric boundary with εr1 = 2 and εr2 = 1, the angle of incidence for total reflection is

View solution

Q. The total field produced by an antenna array system at a distance from it is

View solution

Q. A perfect conductor is a perfect absorber of electromagnetic waves.

View solution

Q. In a lead acid cell the density of the acid gives an indication of

View solution

Q. A (0.75 - j50) ohm load is connected to a coaxial transmission line of Z0 = 75 ohms at a frequency of 10 GHz Which of the following will be the best method of matching?

View solution

Q. In a four element Yagi-Uda antenna

View solution

Q. The statement that the line integral of magnetic field about any closed path is exactly equal to the direct current enclosed by that path, is known as

View solution

Q. Transverse magnetic (TM) waves have

View solution