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Subel. A
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
1
2
3
4
5
6
7
8
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Subelement A
Principles
Section 4
Resistance, Capacitance & Inductance
3
4A1
What formula would calculate the total inductance of inductors in series?
A.
LT = L1 / L2
Correct Answer
B.
LT = L1 + L2
C.
LT = 1 / L1 + L2
D.
LT = 1 / L1 x L2
3
4A1
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3
4A2
Good conductors with minimum resistance have what type of electrons?
A.
Few free electrons.
B.
No electrons.
C.
Some free electrons.
Correct Answer
D.
Many
free electrons.
3
4A2
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3
4A3
Which of the 4 groups of metals listed below are the best low-resistance conductors?
Correct Answer
A.
Gold
,
silver
, and
copper
.
B.
Stainless steel, bronze, and lead.
C.
Iron, lead, and nickel.
D.
Bronze, zinc, and manganese.
3
4A3
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3
4A4
What is the purpose of a bypass capacitor?
A.
It increases the resonant frequency of the circuit.
B.
It removes direct current from the circuit by shunting DC to ground.
Correct Answer
C.
It removes
alternating
current by
providing
a
low
impedance
path
to ground.
D.
It forms part of an impedance transforming circuit.
3
4A4
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3
4A5
How would you calculate the total capacitance of three capacitors in parallel?
A.
CT = C1 + C2 / C1 - C2 + C3.
Correct Answer
B.
CT = C1 + C2 + C3.
C.
CT = C1 + C2 / C1 x C2 + C3.
D.
CT = 1 / C1+1 / C2 + 1 / C3.
3
4A5
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3
4A6
How might you reduce the inductance of an antenna coil?
A.
Add additional turns.
B.
Add more core permeability.
Correct Answer
C.
Reduce
the
number
of turns.
D.
Compress the coil turns.
3
4A6
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