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Matching Questions problems

1. Match the following:

	List I (Modulation )		List II (Modulation Index)
A.	DSBFC	1.	? > 1
B.	DSBSC	2.	? > 0
C.	SSB	3.	?
		4.	?, any value

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

2. Match the following:

	List I (Microwave device)		List II (Application)
A.	Reflex Klystron	1.	Wideband amplification
B.	TWT	2.	Very low power amplification
C.	Cavity Klystron	3.	Low power FM generation
D.	Maser	4.	Frequency multiplication

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

3. Match the following:

	List I (Microwave device)		List II (Application)
A.	PIN diode	1.	Microwave amplification
B.	GaAs MOSFET	2.	Low noise microwave generation
C.	Transferred electron device	3.	Electronic tuning of MW oscillator
D.	Varactor diode	4.	Light wave detection

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

4. Match the following:

	List I (Set operation)		List II (Set operator)
A.	Set equality	1.	-
B.	Set inclusion	2.	=
C.	Set intersection	3.	< =
D.	Set difference	4.	?

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

5. Match the following:

List I List II

A. Conductor 1.

B. Semiconductor 2.

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

6. Match the following:

	List I		List II
A.	Silicon	1.	Donor Impurity
B.	Antimony	2.	Acceptor Impurity
C.	Gallium	3.	Most Commonly used semiconductor material
D.	Germanium	4.	Atomic number 32

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

7. Match the following:

	List I (Characteristic equation)		List II (Degree of damping)
A.	s² + 15s + 56.25	1.	Undamped
B.	s² + 5s + 6	2.	Underdamped
C.	s² + 20.25	3.	Critically damped
D.	s² + 4.55s + 42.25	4.	Overdamped

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

8. Match the following:

	List I		List II
A.		1.	v(t) = u(t + 1)
B.		2.	v(t) = u(t) - 2u(t - 1) + 2u(t - 2) - 2u(t - 3)....
C.		3.	v(t) = u(t - 1) - u(t - 3)
D.		4.	v(t) = ?(t - 1)

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

9. Match the following:

	List I		List II
A.	lag compensation	1.	Exterior of unit circle \|z\| = 1
B.	lead compensation	2.	PD control
C.	stability	3.	Non-minimum phase
D.	Instability	4.	Left half s plane
		5.	PI control

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

10. Match the following:

	List I (Properties)		List II (Relations)
A.	Linear but NOT time-invariant	1.	y(t) = t²x(t)
B.	Time-invariant but NOT linear	2.	y(t) = t \|x(t)\|
C.	Linear and time invariant	3.	y(t) = \|x(t)\|
		4.	y(t) = x(t - 5)

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

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