Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Use of larger section of conductor Top loading of antenna Any of the above Providing insulation on conductor Use of larger section of conductor Top loading of antenna Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Cardoid or Limacon Elliptical Semicircle Circle Cardoid or Limacon Elliptical Semicircle Circle ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 1.5 4.5 2.5 3.5 1.5 4.5 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space Larger frequency than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Circle Null None of these Figure of eight Circle Null None of these Figure of eight ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation z direction. y direction. – z direction. – y direction. z direction. y direction. – z direction. – y direction. ANSWER DOWNLOAD EXAMIANS APP
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