Physics · Electromagnetic Waves
Identify the false statement regarding electromagnetic propagation in a waveguide: When the free-space wavelength of a signal equals the cut-off wavelength of the guide,
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- 1the wavelength within the waveguide becomes infinite.
- 2the characteristic impedance of the guide for TE mode becomes zero.✓
- 3the phase velocity of the signal becomes infinite.
- 4the group velocity of the signal becomes zero.
Correct answer
the characteristic impedance of the guide for TE mode becomes zero.
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