MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Mcqs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A parallel resonant band-pass filter consists of a 90 resistor in series with a parallel network made up of a 60 mH coil and a 0.02 F capacitor. The output is taken across the capacitor/coil. The coil winding has a resistance of 20 . What is the center frequency of the filter? |
| A. | 459 Hz |
| B. | 4,591 Hz |
| C. | 999 Hz |
| D. | 2,176 Hz |
| Answer» C. 999 Hz | |
| 2. |
An RL high-pass filter consists of a 470 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» B. 1,250 Hz | |
| 3. |
An RC low-pass filter consists of a 120 resistor and a 0.002 F 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» C. 331 kHz | |
| 4. |
An RC high-pass filter consists of an 820 resistor. What is the value of C so that Xc is ten times less than Rat an input frequency of 12 kHz? |
| A. | 81 F |
| B. | 161 F |
| C. | 0.161 F |
| D. | 220 F |
| Answer» D. 220 F | |
| 5. |
A parallel resonant band-pass filter consists of a 6.8 resistor in series with a parallel network made up of an 8 H coil and a 120 pF capacitor. The output is taken across the capacitor/coil. Assume RW = 0 . What is the center frequency of the filter? |
| A. | 5.14 MHz |
| B. | 514 kHz |
| C. | 5.03 MHz |
| D. | 503 kHz |
| Answer» B. 514 kHz | |
| 6. |
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» C. 6 V | |
| 7. |
An RL low-pass filter consists of a 5.6 mH coil and a 3.3 k 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» B. 93.8 Hz | |
| 8. |
An RC high-pass filter consists of a 0.2 F capacitor and a 220 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» E. | |
| 9. |
A series resonant band-pass filter consists of a 2 mH coil, a 0.005 F capacitor, and a 120 resistor. The winding resistance of the coil is 12 . The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)? |
| A. | 10.9 V |
| B. | 1.09 V |
| C. | 1.1 V |
| D. | 12 V |
| Answer» B. 1.09 V | |
| 10. |
A series resonant band-stop filter consists of a 68 resistor, a 110 mH coil, and a 0.02 F capacitor. The internal resistance, RW, of the coil is 4 . Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0? |
| A. | 1.1 mV |
| B. | 11.1 mV |
| C. | 111 mV |
| D. | 200 mV |
| Answer» C. 111 mV | |
| 11. |
At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V.the filter s bandwidth is____________? |
| A. | 530 Hz |
| B. | 106 Hz |
| C. | 11.5 Hz |
| D. | 53 Hz |
| Answer» E. | |