Which of the following modes cannot exist in rectangular resonant cavity? TE110

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Question
Which of the following modes cannot exist in rectangular resonant cavity?
Options
A. TE₁₁₀
B. TE₀₁₁
C. TM₁₁₀
D. TM₁₁₁

Correct Answer

TE₁₁₀

Microwave Communication problems

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5. At a frequency equal to cutoff frequency in a rectangular wave guide
Options
A. the flow of electromagnetic energy is zero
B. the flow of electromagnetic energy is infinite
C. the flow of electromagnetic energy is 50% of maximum
D. the flow of electromagnetic energy is 10% of maximum

6. In a klystron amplifier the transit time of electron passing the gap in the cavity should be
Options
A. less than one cycle
B. less than half cycle
C. less than quarter cycle
D. more than quarter cycle

7. Consider the following statements about hybrid ring
1. Ports 1 and 2 are decoupled.
2. Port 3 and 4 are coupled.
3. A signal entering either port 1 or 2 splits equally between ports 3 and 4.
4. A signal entering either port 3 or 4 splits equally between ports 1 and 2.
Which of the above are correct?
Options
A. 1, 2, 3 and 4
B. 1, 3 and 4
C. 1 and 2
D. 2, 3 and 4

8. Match the following:

List I List II

A. e^-t ? (t) 1.

B. 2. j? X(?)

C. 3.

D. 4.
Options
A. A-1, B-4, C-2, D-3
B. A-3, B-2, C-4, D-1
C. A-1, B-2, C-4, D-3
D. A-3, B-4, C-2, D-1

9. Match the following:

	List I		List II
A.	(? x E)ds = 0	1.	Continuity equation
B.	rv.dv = Q	2.	Ampere's law
C.	(J + D)ds	3.	Gauss law
D.	-r_vdv	4.	Faraday's law
E.	H.dl = (? x H)ds	5.	Stoke's theorem

Options
A. A-4, B-3, C-2, D-1, E-5
B. A-1, B-2, C-3, D-4, E-5
C. A-4, B-2, C-1, D-3, E-5
D. A-1, B-5, C-4, D-2, E-3

10. Match the following:

	List I		List II
A.		1.	Negative limiter
B.		2.	Positive Limiter
C.		3.	Biased negative Limiter
D.		4.	Biased positive limiter

Options
A. A-1, B-2, C-3, D-4
B. A-2, B-1, C-4, D-3
C. A-2, B-1, C-3, D-4
D. A-1, B-2, C-4, D-3

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