Electromagnetic Field Theory The frequency range for satellite communication is 30000 to 300000 MHz 300 to 3000 kHz 3 to 30 kHz 3000 to 30000 MHz 30000 to 300000 MHz 300 to 3000 kHz 3 to 30 kHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger wavelength than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger frequency than in the free space Larger wavelength than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger frequency than in the free space ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. none of these. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna With a reflector Only With a reflector and one or more directors With one or more directors With a reflector Only With a reflector and one or more directors With one or more directors ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the normal velocity. velocity of propagation. phase velocity. group velocity. normal velocity. velocity of propagation. phase velocity. group velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Parabolic reflector type Vertical grounded wire type Any of the above Horizontal suspended wire type Parabolic reflector type Vertical grounded wire type Any of the above Horizontal suspended wire type ANSWER DOWNLOAD EXAMIANS APP
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