Match the following: List I List II A. DIAC 1. B. TRIAC 2. C. SIT 3. D. LASCR 4.

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Question
Match the following:

List I List II

A. DIAC 1.

B. TRIAC 2.

C. SIT 3.

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

Correct Answer

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

Matching Questions problems

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1. Match the following:

	List I		List II
A.	Zener diode	1.	used in seven segment display
B.	Tunnel diode	2.	used in voltage regulator circuits
C.	LED	3.	used is solar energy utilization
D.	Photovoltaic cell	4.	used in digital circuits

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

2. Match the following:

	List I		List II
A.	Zener diode	1.
B.	Tunnel diode	2.
C.	Schottky diode	3.
D.	Diode	4.

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

3. Match the following:

	List I (Oscillator)		List II (Features)
A.	Wien Bridge	1.	RF oscillator, uses two inductors and one capacitor
B.	Colpitt's	2.	LC oscillator for radio frequencies uses three capacitances and one inductance
C.	Hartley	3.	RC oscillator for audio frequencies
D.	Clapp	4.	RF oscillator, uses two capacitances and one inductance

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

4. Match the following:

	List I (Octal)		List II (Decimal number)
A.	35	1.	53
B.	65	2.	62
C.	54	3.	29
D.	76	4.	44

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

5. Match the following:

	List I		List II
A.	Synchro	1.	Amplifier
B.	Amplidyne	2.	Actuator
C.	Servo	3.	Compensator
D.	RC network	4.	Transducer

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

6. Match the following:

	List I		List II
A.	Penetration frequency	1.	Lowest frequency at which charged particles spiral in fixed magnetic field
B.	Optimum working frequency	2.	Same as critical and frequency
C.	Gyro frequency	3.	Highest frequency of radio waves that can be used
D.	Maximum usable frequency	4.	The most effective frequency for ionosphere propagation of radio waves

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

7. Match the following:

	List I		List II
A.	Resistance	1.	Current noise
B.	Diode	2.	Partition noise
C.	Triode	3.	Shot noise
D.	p-n junction	4.	Atmospheric noise
		5.	Johnson noise

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

8. Match the following:

	List I (Instrument)		List II (Measured quantity)
A.	Hot wire	1.	only voltage
B.	PMMC	2.	phase
C.	Electrostatic	3.	true RMS value
D.	Lock in Amplifier	4.	dc value

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

9. Match the following:

	List I (DOS commands)		List II (Meaning)
A.	DBLSPACE	1.	Deletes a director and its sub-directories
B.	MEM	2.	Displays the amount of used and free memory
C.	SYS	3.	Put a copy of DOS on disk
D.	DELTREE	4.	Compresses files to increase the storage capacity of disc

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

10. Match the following:

	List I (Types of transmission structure)		List II (Modes of propagation)
A.	Strip line	1.	Quasi TEM
B.	Hollow rectangular waveguide	2.	Pure TEM
C.	Microstrip	3.	TE/TM
D.	Corrugated waveguide	4.	Hybrid

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

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