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Matching Questions
See What Others Are Saying!
Question
Match the following:
List I (Camera pick up tubes)
List II (Developed by)
A.
CCD charger
1.
Toshiba
B.
New vicon
2.
Philips
C.
Plumbicon
3.
Matushita
D.
Chalnicon
4.
RCA
Options
A. A-3, B-4, C-1, D-2
B. A-4, B-3, C-2, D-1
C. A-4, B-3, C-1, D-2
D. A-1, B-2, C-3, D-4
Correct Answer
A-4, B-3, C-2, D-1
More questions
1. In a single phase full wave ac regulator using two thyristors only, the gate circuits of the two thyristors
Options
A. must be isolated
B. may or may not be isolated
C. should be preferably, isolated
D. should not be isolated
Show Answer
Scratch Pad
Discuss
Correct Answer: must be isolated
2. In a ripple counter,
Options
A. whenever a flip flop sets to 1, the next higher FF toggles
B. whenever a flip flop sets to 0, the next higher FF remains unchanged
C. whenever a flip flop sets to 1, the next higher FF faces race condition
D. whenever a flip flop sets to 0, the next higher FF faces race condition
Show Answer
Scratch Pad
Discuss
Correct Answer: whenever a flip flop sets to 1, the next higher FF toggles
Explanation:
In a ripple counter the effect ripples through the counter.
3. Maximum efficiency of class B power amplifier is 50%.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
Explanation:
Maximum efficiency for class B-operation can be 78.5% .
4. Which of the following commutation methods is the overall circuit under damped?
Options
A. Class A
B. Class B
C. Class C
D. Both class A and Class B
Show Answer
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Discuss
Correct Answer: Both class A and Class B
5. The primary constants of a transmission line are
Options
A. R and L
B. R, L and C
C. R and C
D. R, L, G and C
Show Answer
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Discuss
Correct Answer: R, L, G and C
6. For the strip line in the given figure the capacitance per unit length =
Options
A.
B.
C.
D.
Show Answer
Scratch Pad
Discuss
Correct Answer:
Explanation:
frads/unit length.
7. In which mode of circular waveguide does the attenuation continuously decrease as frequency is increased?
Options
A. TE
01
B. TE
11
C. TE
05
D. TE
21
Show Answer
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Discuss
Correct Answer: TE
01
8. The beam of a radar should be
Options
A. very narrow
B. very wide
C. neither too narrow nor very wide
D. either (
b
) or (
c
)
Show Answer
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Discuss
Correct Answer: very narrow
9. If temperature is increased, the temperature coefficient of a metal
Options
A. increases
B. decreases
C. may increase or decrease
D. remains constant
Show Answer
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Discuss
Correct Answer: decreases
10. In an homogeneous dielectric subjected to an electric field E, the dipole moment per unit volume is ?
0
(?
r
- 1) E.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
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