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Subel. G
A
48 questions
B
60 questions
C
60 questions
D
24 questions
E
48 questions
F
60 questions
G
36 questions
H
18 questions
I
18 questions
J
30 questions
K
36 questions
L
48 questions
M
18 questions
N
30 questions
O
30 questions
P
24 questions
Q
12 questions
6 questions
51
52
53
54
55
56
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51
52
53
54
55
56
Subelement G
Transmitters
Section 51
Amplifiers-1
3
51G1
What class of amplifier is distinguished by the presence of output throughout the entire signal cycle and the input never goes into the cutoff region?
Correct Answer
A.
Class A.
B.
Class B.
C.
Class C.
D.
Class D.
3
51G1
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3
51G2
What is the distinguishing feature of a Class A amplifier?
A.
Output for less than 180 degrees of the signal cycle.
Correct Answer
B.
Output for the
entire
360 degrees of the signal cycle.
C.
Output for more than 180 degrees and less than 360 degrees of the signal cycle.
D.
Output for exactly 180 degrees of the input signal cycle.
3
51G2
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3
51G3
Which class of amplifier has the highest linearity and least distortion?
Correct Answer
A.
Class A.
B.
Class B.
C.
Class C.
D.
Class AB.
3
51G3
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3
51G4
Which class of amplifier provides the highest efficiency?
A.
Class A.
B.
Class B.
Correct Answer
C.
Class
C
.
D.
Class AB.
3
51G4
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3
51G5
What class of amplifier is distinguished by the bias being set well beyond cutoff?
A.
Class A.
Correct Answer
B.
Class
C
.
C.
Class B.
D.
Class AB.
3
51G5
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3
51G6
Which class of amplifier has an operating angle of more than 180 degrees but less than 360 degrees when driven by a sine wave signal?
A.
Class A.
B.
Class B.
C.
Class C.
Correct Answer
D.
Class
AB
.
3
51G6
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