1
GATE ECE 2009
MCQ (Single Correct Answer)
+1
-0.3
Which of the following statements is true regarding the fundamental mode of the metallic waveguides shown? GATE ECE 2009 Electromagnetics - Waveguides Question 36 English
A
Only P has no cutoff- frequency
B
Only Q has no cutoff-frequency
C
Only R has no cutoff-frequency
D
All three have cutoff-frequencies
2
GATE ECE 2004
MCQ (Single Correct Answer)
+1
-0.3
The phase velocity of an electromagnetic wave propagating in a hollow metallic rectangular waveguide in the $$T{E_{10}}$$ mode is
A
equal to its group velocity
B
less than the velocity of light in free space
C
equal to the velocity of light in free space
D
greater than the velocity of light in free space
3
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
4
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
GATE ECE Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12