1
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
The phase velocity for the $$T{E_{10}}$$ mode in an air-filled rectangular waveguide is
A
less than c
B
equal to c
C
greater than c
D
none of the above
2
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
The phase velocity of waves propagating in a hollow metal waveguide is
A
greater than the velocity of light in free space
B
less than the velocity of light in free space
C
equal to the velocity of light in free space
D
equal to the group velocity
3
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
The dominant mode in a rectangular waveguide is $$T{E_{10}}$$, because this mode has
A
no attenuation
B
no cut-off
C
no magnetic field component
D
the highest cut-off wavelength
4
GATE ECE 1999
MCQ (Single Correct Answer)
+1
-0.3
Indicate which one of the following modes do NOT exist in a rectangular resonant cavity.
A
$$T{E_{110}}$$
B
$$T{E_{011}}$$
C
$$T{M_{110}}$$
D
$$T{M_{111}}$$
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