McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Biomedical Engineering .
Chapters
| 51. |
Find the center frequency of wide band-pass filter |
| A. | fc= √(fh ×fL) |
| B. | fc= √(fh +fL) |
| C. | fc= √(fh -fL) |
| D. | fc= √(fh /fL) |
| Answer» A. fc= √(fh ×fL) | |
| 52. |
Find out the voltage gain magnitude equation for the wide band-pass filter. |
| A. | AFt×( f/fL)/√[(1+(f/fh)2]×[1+(f/fL)2]. |
| B. | AFt/ √{[1+(f/fh)2]×[1+(f/fL)2]} |
| C. | AFt/ √{[1+(f/fh)2]/[1+(f/fL)2]} |
| D. | [AFt/(f/fL)]/ √{[1+(f/fh)2]/[1+(f/fL)2]} |
| Answer» A. AFt×( f/fL)/√[(1+(f/fh)2]×[1+(f/fL)2]. | |
| 53. |
When a second order high pass filter and second order low pass sections are cascaded, the resultant filter is a |
| A. | ±80dB/decade band-pass filter |
| B. | ±40dB/decade band-pass filter |
| C. | ±20dB/ decade band-pass filter |
| D. | None of the mentioned |
| Answer» B. ±40dB/decade band-pass filter | |
| 54. |
Find the voltage gain magnitude of the wide band-pass filter? Where total pass band gain is=6, input frequency = 750Hz, Low cut-off frequency =200Hz and high cut-off frequency=1khz. |
| A. | 13.36 dB |
| B. | 12.25 dB |
| C. | 11.71 dB |
| D. | c) 14.837dB |
| Answer» D. c) 14.837dB | |
| 55. |
Compute the quality factor of the wide band-pass filter with high and low cut-off frequencies equal to 950Hz and 250Hz. |
| A. | 0.278 |
| B. | 0.348 |
| C. | 0.696 |
| D. | 0.994 |
| Answer» C. 0.696 | |
| 56. |
The details of low pass filter sections are given as fh =10kHz, AF= 2 and f=1.2kHz. Find the voltage gain magnitude of first order wide band-pass filter, if the voltage gain magnitude of high pass filter section is 8.32dB. |
| A. | 48.13dB |
| B. | 10.02dB |
| C. | 14.28dB |
| D. | 65.99dB |
| Answer» C. 14.28dB | |
| 57. |
The quality factor of a wide band-pass filter can be |
| A. | 12.6 |
| B. | 9.1 |
| C. | 14.2 |
| D. | 10.9 |
| Answer» B. 9.1 | |
| 58. |
If the gain at center frequency is 10, find the quality factor of narrow band-pass filter |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | None of the mentioned |
| Answer» C. 3 | |
| 59. |
The advantage of narrow band-pass filter is |
| A. | fc can be changed without changing gain |
| B. | fc can be changed without changing bandwidth |
| C. | fc can be changed without changing resistors |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
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