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Question

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

Correct Answer

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

More questions

4. In a shield helix
Options
A. the spacing between adjacent turns is very large
B. the spacing between adjacent turns approaches zero
C. the spacing between adjacent turns approaches zero and wire thickness approaches zero
D. the spacing between adjacent turns is very large wire thickness approaches zero

5. Match the following:

	List I		List II
A.	200 MHz	1.	SHF
B.	20 GHz	2.	UHF
C.	500 kHz	3.	VHF
D.	500 MHz	4.	MF

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

6. A line of characteristic impedance Z₀ branches into two line each with characteristic impedance Z₀. The refracted voltage is
Options
A. zero
B. infinite
C. equal to incident voltage
D. two third of incident voltage

8. A surge voltage
Options
A. has very high magnitude and very long duration
B. has very high magnitude and very small duration
C. has very high magnitude and very small duration and can be positive or negative
D. can be only positive

10. The following components are used to measure power output of a 2 kW TWT amplifier
1. TWT
2. Low pass/High pass filter
3. Low power 20 dB attenuator
4. 40 dB directional coupler with matched load
5. Power meter.
The correct sequence of connections of these components is:
Options
A. 1, 4, 2, 3, 5
B. 1, 3, 4, 2, 5
C. 1, 2, 4, 3, 5
D. 1, 4, 3, 2, 5

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