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Subel. D
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
29
30
31
32
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31
32
Subelement D
Circuits
Section 32
Schematics
3
32D1
Given the combined DC input voltages, what would the output voltage be in the circuit shown in Figure 3D7?
A.
150 mV
B.
5.5 V
C.
-15 mv
Correct Answer
D.
-5.5 V
3
32D1
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3
32D2
Which lamps would be lit in the circuit shown in Figure 3D8?
A.
2, 3, 4, 5 and 6.
B.
5, 6, 8 and 9.
Correct Answer
C.
2, 3, 4, 7 and 8.
D.
1, 3, 5, 7 and 8.
3
32D2
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3
32D3
What will occur if an amplifier input signal coupling capacitor fails open?
Correct Answer
A.
No
amplification
will occur, with
DC
within the circuit
measuring
normal
.
B.
Improper biasing will occur within the amplifier stage.
C.
Oscillation and thermal runaway may occur.
D.
An AC hum will appear on the circuit output.
3
32D3
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3
32D4
In Figure 3D9, determine if there is a problem with this regulated power supply and identify the problem.
A.
R1 value is too low which would cause excessive base current and instantly destroy TR 1.
B.
D1 and D2 are reversed. The power supply simply would not function.
C.
TR1 is shown as an NPN and must be changed to a PNP.
Correct Answer
D.
There
is no
problem
with the
circuit
.
3
32D4
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3
32D5
In Figure 3D10 with a square wave input what would be the output?
A.
1
B.
2
Correct Answer
C.
3
D.
4
3
32D5
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3
32D6
With a pure AC signal input to the circuit shown in Figure 3D11, what output wave form would you expect to see on an oscilloscope display?
A.
1
Correct Answer
B.
2
C.
3
D.
4
3
32D6
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