A)
459 Hz
B)
999 Hz
C)
2,176 Hz
D)
4,591 Hz

Correct Answer : Option () :  

Recently Updated in Passive Filters Questions
Typical value of filter capacitor for a 50 Hz rectifier?
A)
50 μF
B)
100 μF
C)
100 pF
D)
1000 pF

Correct Answer :   50 μF

What is the purpose of a low-pass filter?
A)
To amplify all frequencies equally
B)
To eliminate all frequencies except for the cutoff frequency
C)
To allow high frequencies to pass through while attenuating low frequencies
D)
To allow low frequencies to pass through while attenuating high frequencies

Correct Answer :   To allow low frequencies to pass through while attenuating high frequencies

Explanation : A low-pass filter is designed to allow low-frequency components of a signal to pass through while attenuating high-frequency components. It effectively “filters out” the higher frequencies beyond the cutoff frequency, allowing only the lower frequencies to be present in the output signal.

Which type of passive filter is used to separate audio frequency bands in a speaker system
A)
Low-pass filter
B)
High-pass filter
C)
Band-pass filter
D)
Notch filter

Correct Answer :   Band-pass filter

Explanation : A band-pass filter is employed to separate specific frequency bands from a complex signal. In speaker systems, band-pass filters are commonly used to separate audio frequency bands and direct them to the appropriate drivers, ensuring each driver receives the frequency range it is designed to reproduce.

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