8
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TO ANSWER QUESTIONS 1-48 THROUGH
1-50, SELECT FROM COLUMN B THE
CIRCUIT WHICH DESCRIBES THE
CIRCUIT OPERATION IN COLUMN A.
CHOICES IN COLUMN B MAY BE USED
ONCE, MORE THAN ONCE, OR NOT AT
ALL.
A. CIRCUIT
OPERATION
B. CIRCUIT
1-48.
Passes the
majority of
current below
a specific
frequency
and opposes
current above
that
frequency.
1.
2.
3.
4.
Band-pass filter
High-pass filter
Low-pass filter
Band-reject
filter
1-49.
Passes the
majority of
current
above a
specific
frequency
and opposes
current
below that
frequency.
1-50.
Passes a
narrow band
of
frequencies
and opposes
all others.
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1-51. The action of a filter circuit that reduces
the amplitude of unwanted frequencies
below the amplitude of the desired
frequency is known as
1. attenuation
2. amplification
3. discrimination
4. impedance matching
1-52. The frequency beyond which a filter
circuit no longer passes current is
referred to as the
1. filter frequency
2. cutoff frequency
3. resonant frequency
4. response frequency
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