The dimensions of a rectangular waveguide filled with polystyrene (ɛr = 2.25) are a= 5cm, b=2.5 cm and d= 10 cm.The walls of the cavity are made of brass (,- = 5.8 × 100 S/m). You may assume amplitude of the z-component of the magnetic field for the lowes order mode to be 0.2 A/m then Find a. The three lowest order modes for finite size cavity b. The time average electric and magnetic stored energies at the resonant frequency fo the lowest order mode
The dimensions of a rectangular waveguide filled with polystyrene (ɛr = 2.25) are a= 5cm, b=2.5 cm and d= 10 cm.The walls of the cavity are made of brass (,- = 5.8 × 100 S/m). You may assume amplitude of the z-component of the magnetic field for the lowes order mode to be 0.2 A/m then Find a. The three lowest order modes for finite size cavity b. The time average electric and magnetic stored energies at the resonant frequency fo the lowest order mode
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Transcribed Image Text:The dimensions of a rectangular waveguide filled with polystyrene (ɛr = 2.25) are a=
5cm, b=2.5 cm and d= 10 cm.The walls of the cavity are made of brass (,- = 5.8 × 100
S/m). You may assume amplitude of the z-component of the magnetic field for the lowest
order mode to be 0.2 A/m then Find
a. The three lowest order modes for finite size cavity
b. The time average electric and magnetic stored energies at the resonant frequency for
the lowest order mode
c. Power dissipated inside the cavity for the lowest order model
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