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1.
A broadside array consisting of 200 cm wavelength with 10 half-wave dipole spacing 10 cm. And if each array element feeding with 1 amp. current and operating at same frequency then find the radiated power
2.
Poynting vector is associated with which of the following?
3.
A uniform plane EM wave incident normally on a plane surface of a dielectric material is reflected with a VSWR of 3. What percentage of incident power that is reflected?
4.
An end fire array consisting of several half-wave lengths of directive gain 40, then find the width of major lobe
5.
Find the noise factor for an antenna at 27
6.
A transmission line is feeding 1 watt of power to a horn antenna having a gain of 10 dB. The antenna is matched to the transmission line. The total power radiated by the horn antenna into the free space is
7.
A parallel polarized wave is incident from air into paraffin having relative permittivity 3, the value of its Brewster angle is
8.
A transmission line is feeding 1 watt of power to a horn antenna having a gain of 10 dB. The antenna is matched to the transmission line. The total power radiated by the horn antenna into the free space is
9.
Calculate wave impedance for TE mode
10.
What is the characteristic impedance at 10 MHz?