Electromagnetic-theory Questions Set 94:
What is the Beam area for Directivity to be 1 in Steradian?
Solution:
What is the directivity of antenna having effective aperture 1 m2?
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Power radiated by half-wave dipole with maximum current amplitude 10A is
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What is the maximum power gain of antenna with radiation efficiency 98% and directive gain 1?
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What is the radiation resistance of an antenna if it radiates 1kW and current in it is I r m s=10A?
Solution:
What is the maximum directive gain of antenna with radiation efficiency 98% and maximum power gain 1?
Solution:
What is the Bandwidth of the antenna operating at resonant frequency 200MHz with Quality factor 20?
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What is the radiation resistance of an antenna if input power to it is 1KW and current in it is 10A having a power loss of 200W?
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If physical aperture of antenna is 0.02m2 and aperture efficiency is 0.5, then what is the value of effective aperture?
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What is the maximum power gain when the radiation resistance is 72Ω, loss resistance is 8Ω and the maximum directive gain is 1.5?
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