For a rectangular waveguide having width a and height b, the cutoff wavelength for TM11 mode is equal to

More Questions from Microwave Communication

• A circular waveguide carries TE11 mode whole radial electric field is given by Er = E0j1(r) sin Φ V/m where r is radial distance in cm from the axis The cut off wavelength is
• A 75 ohm line is first short terminated and minima locations are noted. Then the short is replaced by resistive load and minima location are again noted. If minima location are not altered and VSWR is 3, the value of resistive load is
• As frequency increases, the transmission efficiency
• A parametric amplifier uses
• Effect of loading of line is
• If the repeller voltage in a klystron oscillator is increased the transit time of electron
• In a magnetron the magnetic flux density is of the order of
• Assertion (A): Bolometer is frequently used in microwave power measurement. Reason (R): In a bolometer the input microwave power causes a change in resistance.
• The rotation of direction of E field of a linearly polarized wave passing through a magnetised ferric medium is called
• The Q factor of a waveguide resonator is given by (ω0 is resonant frequency, U is energy storage and WL is the power loss)

Discussion & Comments