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1.
Gain of an antenna with a circular aperture of diameter 4 meter at frequency of 10 GHz, with directivity 60
2.
Polarization of a wave is
3.
The I/P impedance of a short circuited quarter wave long transmission line is
4.
Beamwidth (between first nulls) will be for an antenna at 3 MHz with directivity of 100
5.
Calculate the wave number in waveguide having dimensions 4 x 2 cm at 3 GHz
6.
For a 400 kHz transmission line having L = 0.5 mH/km, C = 0.08 mF and negligible R and G, the characteristic impedance will be
7.
The length of half-wave antenna is at 30 MHz
8.
A vertical wire of 1 meter length carries a current of 1 A at 10 MHz. The total radiated power is nearly
9.
The distance between maxima and minima of a standing wave is
10.
A TV. transmitting aerial is fixed on top of a 150 metre tower located on a mountain 1200 m height. The range of transmitter is