Computer Programming MCQs

5739 MCQs  (Page 491 of 574)

Attempt Computer Programming MCQs Quiz
An RL high-pass filter consists of a 470 Ω resistor and a 600 mH coil. The output is taken across the coil. The circuit’s critical frequency is___________?
A. 125 hz
B. 1,250 hz
C. 564 hz
D. 5,644 hz
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An RC high-pass filter consists of an 820 Ω resistor. What is the value of C so that Xc is ten times less than Rat an input frequency of 12 kHz?
A. 81 μf
B. 161 μf
C. 0.161 μf
D. 220 μf
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In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is_______________?
A. 0 hz to 3.5 khz
B. 0 hz
C. 3.5 khz
D. 7 khz
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The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is_____________?
A. 10.60 v
B. 0 v
C. 21.21 v
D. 15 v
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In a series resonant band-pass filter, a lower value of Q results in______________?
A. A higher impedance
B. A smaller bandwidth
C. A higher resonant frequency
D. A larger bandwidth
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Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is__________?
A. 0 db
B. 8.30 db
C. -8.30 db
D. 0.8 db
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A sinusoidal voltage with a peak-to-peak value of 18 V is applied to an RC low-pass filter. If the reactance at the input frequency is zero, the output voltage is____________?
A. 18 v peak-to-peak
B. Zero
C. 9 v peak-to-peak
D. 12.74 v peak-to-peak
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The same signal in Problem 2 is applied to an RC high-pass filter. If the reactance is zero at the input frequency, the output voltage is____________?
A. 12.73 v peak-to-peak
B. 18 v peak-to-peak
C. 9 v peak-to-peak
D. Zero
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In a certain low-pass filter, fc = 3.5 kHz. If the input voltage is a 6 V sine wave with a dc level of 10 V, what is the output voltage magnitude?
A. 0 v
B. 5.97 v
C. 6 v
D. 597 mv
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A parallel resonant band-pass filter consists of a 6.8 Ω resistor in series with a parallel network made up of an 8 µH coil and a 120 pF capacitor. The output is taken across the capacitor/coil. Assume RW = 0 Ω. What is the center frequency of the filter?
A. 5.14 mhz
B. 514 khz
C. 5.03 mhz
D. 503 khz
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Word of the Day
17 Jul
Flagrant
(of an action considered wrong or immoral) conspicuously or obviously offensive.
انتہائی برا، قابل مذمت، فاش

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