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Matching Questions problems

1. Match the following:

	List I		List II
A.	D Layer	1.	110 km
B.	E layer	2.	10 km
C.	F layer	3.	60 km
D.	Troposphere	4.	350 km

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

2. Match the following:

	List I		List II
A.	loop antenna	1.	flat line
B.	folded dipole	2.	300 W
C.	SWR of 1	3.	sharp broadside full
D.	VHF band	4.	30 to 300 MHz

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

3. Match the following:

	List I (Devices)		List II (characteristic)
A.	BJT	1.	Voltage controlled negative resistance
B.	MOSFET	2.	High current gain
C.	Tunnel diode	3.	Voltage regulation
D.	Zener diode	4.	High input impedance

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

4. Match the following:

	List I (Logic)		List II (Characteristic)
A.	RTL	1.	High fan out
B.	CMOS	2.	Highest speed of operation
C.	I²L	3.	High noise immunity
D.	ECL	4.	Lowest product of power and delay

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

5. Match the following:

	List I		List II
A.	Effective length of antenna	1.
B.	Capture area	2.
C.	Front to back ratio	3.

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

6. Match the following:

	List I		List II
A.	FM	1.	slope-overload
B.	DM	2.	? law
C.	PSK	3.	Envelope detector
D.	PCM	4.	Capture effect
		5.	Hilbert transform
		6.	Matched filter.

Options
A. A-5, B-1, C-6, D-4
B. A-4, B-6, C-1, D-5
C. A-4, B-1, C-6, D-2
D. A-6, B-3, C-4, D-2

7. Match the following:

	List I (Power device)		List II (Max. frequency)
A.	Power Bipolar	1.	MHz
B.	Power MOSFET	2.	100 kHz
C.	SCR	3.	10 kHz
D.	Insulated gate bipolar transistor	4.	1 kHz

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

8. Match the following:

	List I		List II
A.	Detection of a periodic signal in noise	1.	Increase in band-width
B.	Recovery of a band limited signal from its uniformly sampled values	2.	Slope over load error
C.	Finer quantization	3.	Nyquist rate of signals
D.	Delta modulation	4.	Cross correlation

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

9. Match the following:

	List I (Amplifier coupling)		List II (Feature)
A.	RC	1.	High voltage gain and impedance matching
B.	Inductive	2.	Ability to amplify dc and low frequency signals
C.	Transformer	3.	Minimum non-linear distortion
D.	Direct	4.	Low collector supply voltage can be used

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

10. Match the following:

	List I		List II
A.	SUS	1.
B.	SBS	2.
C.	SCS	3.
D.	Shockley diode	4.

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

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