Active and Passive Filters – 41

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41. One important application of a state-variable ________ filter with a summing amplifier is to minimize the 60 Hz “hum” in audio systems.

(a) low-pass
(b) high-pass
(c) band-pass
(d) band-stop

Answer

Answer : (d)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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Active and Passive Filters - 22
555555555522. A ________ filter rejects all frequencies within a specified band and passes all those outside this band. (a) low-pass (b) high-pass (c) band-pass (d) band-stop
Tags: active, passive, filters, filter, low-pass, high-pass, band-pass, band-stop, electronics, engineering
Active and Passive Filters - 23
5555555555 23. A ________ filter significantly attenuates all frequencies below fc and passes all frequencies above fc. (a) low-pass (b) high-pass (c) band-pass (d) band-stop
Tags: active, passive, filters, filter, low-pass, high-pass, band-pass, band-stop, electronics, engineering
Active and Passive Filters - 35
555555555535. The bandwidth in a ________ filter equals the critical frequency. (a) low-pass (b) high-pass (c) band-pass (d) band-stop
Tags: active, passive, filters, filter, low-pass, high-pass, band-pass, band-stop, electronics, engineering
Number Systems - 134
5555555555134. The MSB of 11001 is ________. (a) 1 (b) 1100 (c) C (d) 1916
Tags: systems, electronics, engineering
Number Systems - 66
555555555566. 3 × 101 + 7 × 100 is equal to ________. (a) 3.7 (b) 37 (c) 10 (d) 370
Tags: systems, electronics, engineering

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