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Matching Questions problems

1. Match the following:

	List I		List II
A.	Reflex Klystron	1.	High efficiency
B.	Dielectric loaded wave guide	2.	Slow wave structure
C.	TWT	3.	Cross field device
D.	Multi Cavity Klystron	4.	Oscillator

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

2. Match the following:

	List I		List II
A.	Multiplexer	1.	Sequential memory
B.	De-multiplexer	2.	Converts decimal number to binary
C.	Shift register	3.	Data selector
D.	Encoder	4.	Routes single input to many outputs

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

3. Match the following:

	List I		List II
A.	Total instantaneous value of emitter current	1.	I_E
B.	Quiescent value of emitter current	2.	i_E
C.	Instantaneous value of as component of emitter current	3.	I_e
D.	RMS value of ac component of emitter current	4.	i_e

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

4. Match the following:

	List I (Component)		List II (Dominant TE mode)
A.	Rectangular wave guide	1.	TE₁₀₁
B.	Circular waveguide	2.	TE₁₀
C.	Rectangular cavity	3.	TE₁₁₁
		4.	TE₁₁

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

5. Match the following:

	List I		List II
A.	T (Reflection coefficient) = 0	1.	(Z_L - Z_o)/(Z_L + Z_o)
B.	T = - 1	2.	Z_L = Z_o
C.	T = + 1	3.	Z_L = 0
D.	- 1 < T < + 1	4.	Z_L = ?

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

6. Match the following:

	List I		List II
A.	AM-DSB FC	1.	2
B.	WBFM	2.	1
C.	PCM	3.	3m
D.	AM-DSB	4.	2^2N

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

7.

List I (Parameters) List II (Values)

A. h₂₂ 1. r_b + r_e

B. h₁₁ 2. a_cb

C. h₂₁ 3.
Options
A. A-3, B-1, C-2
B. A-1, B-3, C-2
C. A-2, B-3, C-1
D. A-3, B-2, C-1

8. Match the following:

	List I		List II
A.	IF noise	1.	Ganged tuning
B.	Image frequency	2.	Spurious response
C.	Station selector	3.	Leaky filter capacitor
D.	Excessive Hum	4.	Mixer stage

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

9. Match the following:

	List I (Diode circuit)		List II (Name of the circuit)
A.		1.	Positive limiter
B.		2.	Positive clamper
C.		3.	Negative clamper

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

10. Match the following:

	List I (Modes)		List II (Characteristic)
A.	Evanescent	1.	Rectangular waveguide does not support
B.	Dominant mode	2.	No wave propagation
C.	TM₁₀ and TM₀₁	3.	Lowest cut-off frequency

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

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