Passive Filters Mcqs

This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “ Passive Filters ”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Passive Filters comprehensively.

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Passive Filters Mcqs

1.
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

Answer Discus (0)

2.
A parallel resonant band-pass filter consists of a 90 Ω resistor in series with a parallel network made up of a 60 mH coil and a 0.02 µF capacitor. The output is taken across the capacitor/coil. The coil winding has a resistance of 20 Ω. What is the center frequency of the filter?

A. 459 Hz

B. 4,591 Hz

C. 999 Hz

D. 2,176 Hz

Answer Discus (0)

3.
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

Answer Discus (0)

4.
An RC low-pass filter consists of a 120 Ω resistor and a 0.002 µF capacitor. The output is taken across the capacitor. The circuit’s critical frequency is___________?

A. 333 kHz

B. 633 kHz

C. 331 kHz

D. 60 kHz

Answer Discus (0)

5.
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

Answer Discus (0)

6.
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

Answer Discus (0)

7.
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

Answer Discus (0)

8.
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

Answer Discus (0)

9.
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

Answer Discus (0)

10.
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

Answer Discus (0)

11.
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

Answer Discus (0)

12.
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

Answer Discus (0)

13.
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

Answer Discus (0)

14.
An RL low-pass filter consists of a 5.6 mH coil and a 3.3 kΩ resistor. The output voltage is taken across the resistor. The circuit’s critical frequency is______________?

A. 93.8 kHz

B. 93.8 Hz

C. 861 Hz

D. 86.12 kHz

Answer Discus (0)

15.
An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit’s critical frequency is_____________?

A. 723 Hz

B. 7,234 Hz

C. 362 Hz

D. 3,617 Hz

Answer Discus (0)

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1.
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?

Answer & Solution

2.
A parallel resonant band-pass filter consists of a 90 Ω resistor in series with a parallel network made up of a 60 mH coil and a 0.02 µF capacitor. The output is taken across the capacitor/coil. The coil winding has a resistance of 20 Ω. What is the center frequency of the filter?

Answer & Solution

3.
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___________?

Answer & Solution

4.
An RC low-pass filter consists of a 120 Ω resistor and a 0.002 µF capacitor. The output is taken across the capacitor. The circuit’s critical frequency is___________?

Answer & Solution

5.
In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is_______________?

Answer & Solution

6.
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?

Answer & Solution

7.
In a series resonant band-pass filter, a lower value of Q results in______________?

Answer & Solution

8.
The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is_____________?

Answer & Solution

9.
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____________?

Answer & Solution

10.
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____________?

Answer & Solution

11.
Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is__________?

Answer & Solution

12.
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?

Answer & Solution

13.
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?

Answer & Solution

14.
An RL low-pass filter consists of a 5.6 mH coil and a 3.3 kΩ resistor. The output voltage is taken across the resistor. The circuit’s critical frequency is______________?

Answer & Solution

15.
An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit’s critical frequency is_____________?

Answer & Solution

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Passive Filters Mcqs

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1. 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?

Answer & Solution

2. A parallel resonant band-pass filter consists of a 90 Ω resistor in series with a parallel network made up of a 60 mH coil and a 0.02 µF capacitor. The output is taken across the capacitor/coil. The coil winding has a resistance of 20 Ω. What is the center frequency of the filter?

Answer & Solution

3. 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___________?

Answer & Solution

4. An RC low-pass filter consists of a 120 Ω resistor and a 0.002 µF capacitor. The output is taken across the capacitor. The circuit’s critical frequency is___________?

Answer & Solution

5. In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is_______________?

Answer & Solution

6. 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?

Answer & Solution

7. In a series resonant band-pass filter, a lower value of Q results in______________?

Answer & Solution

8. The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is_____________?

Answer & Solution

9. 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____________?

Answer & Solution

10. 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____________?

Answer & Solution

11. Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is__________?

Answer & Solution

12. 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?

Answer & Solution

13. 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?

Answer & Solution

14. An RL low-pass filter consists of a 5.6 mH coil and a 3.3 kΩ resistor. The output voltage is taken across the resistor. The circuit’s critical frequency is______________?

Answer & Solution

15. An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit’s critical frequency is_____________?

Answer & Solution

Engineering MCQS

General Subjects MCQS

1.
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?

2.
A parallel resonant band-pass filter consists of a 90 Ω resistor in series with a parallel network made up of a 60 mH coil and a 0.02 µF capacitor. The output is taken across the capacitor/coil. The coil winding has a resistance of 20 Ω. What is the center frequency of the filter?

3.
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___________?

4.
An RC low-pass filter consists of a 120 Ω resistor and a 0.002 µF capacitor. The output is taken across the capacitor. The circuit’s critical frequency is___________?

5.
In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is_______________?

6.
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?

7.
In a series resonant band-pass filter, a lower value of Q results in______________?

8.
The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is_____________?

9.
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____________?

10.
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____________?

11.
Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is__________?

12.
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?

13.
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?

14.
An RL low-pass filter consists of a 5.6 mH coil and a 3.3 kΩ resistor. The output voltage is taken across the resistor. The circuit’s critical frequency is______________?

15.
An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit’s critical frequency is_____________?