Filters: low-pass, high-pass, band-pass MCQs

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1. A low-pass filter allows signals with frequencies:





2. In a low-pass filter, the cutoff frequency is the point at which the output signal is reduced by:





3. The primary application of a low-pass filter is to:





4. A low-pass filter with a cutoff frequency of 1 kHz will allow frequencies:





5. A high-pass filter allows signals with frequencies:





6. In a high-pass filter, the cutoff frequency is the point at which the output signal is reduced by:





7. The main use of a high-pass filter is to:





8. A high-pass filter with a cutoff frequency of 500 Hz will allow frequencies:





9. A band-pass filter allows signals in a certain range of frequencies. This range is defined by:





10. The frequency range of a band-pass filter is determined by:





11. Which of the following is true about a band-pass filter?





12. The bandwidth of a band-pass filter is defined as the difference between:





13. In an ideal low-pass filter, what happens to the signal as the frequency increases past the cutoff frequency?





14. Which of the following components is commonly used to create low-pass and high-pass filters?





15. The quality factor (Q) of a band-pass filter is a measure of:





16. A filter with a low-pass characteristic and a cutoff frequency of 100 Hz will allow signals below:





17. In a high-pass filter, the phase shift increases as the frequency:





18. A filter with a narrow bandwidth has a:





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