A circular waveguide carries TE11 mode whose radial electric-field is – McqOptions

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1.	A circular waveguide carries TE11 mode whose radial electric-field is given by Er = E₀J1 (r) sin φ V/m where 'r' is the radial distance in cm, from the waveguide axis. The cut-off wavelength of the mode is
A.	10 cm
B.	3π cm
C.	2π cm
D.	8 cm
Answer» D. 8 cm

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