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This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.
1. |
For the circuit given below, the cut-off frequency of the filter is ________________ |
A. | 3225.8 Hz |
B. | 7226 Hz |
C. | 3225.8 kHz |
D. | 7226 kHz |
Answer» D. 7226 kHz | |
2. |
The circuit given below represents which type of filter circuit? |
A. | Low-pass Filter |
B. | High-pass Filter |
C. | Band-pass Filter |
D. | Band-stop Filter |
Answer» D. Band-stop Filter | |
3. |
The filter which passes all frequencies above fc by attenuating significantly, all frequencies below fc is _______________ |
A. | Low-pass |
B. | High-pass |
C. | Band-pass |
D. | Band-stop |
Answer» C. Band-pass | |
4. |
For providing a Roll-off greater than 20dB/decade/pole, filters with which characteristics are useful? |
A. | Butterworth |
B. | Chebyshev |
C. | Bessel |
D. | Butterworth & Bessel |
Answer» C. Bessel | |
5. |
For the circuit given below, the Roll-off value of the filter is _____________ |
A. | 20 dB/decade |
B. | 40 dB/decade |
C. | 60 dB/decade |
D. | 80 dB/decade |
Answer» E. | |
6. |
A Low-pass filter circuit has a cut-off frequency of 1.23 kHz. The bandwidth of the filter is ______________ |
A. | 2.46 kHz |
B. | 1.23 kHz |
C. | 0.615 kHz |
D. | 3.69 kHz |
Answer» C. 0.615 kHz | |
7. |
The circuit given below, represents which filter? |
A. | Low-pass |
B. | High-pass |
C. | Band-pass |
D. | Band-stop |
Answer» C. Band-pass | |
8. |
In the circuit given below, the Roll-off of the filter is _______________ |
A. | 20 dB/decade |
B. | 40 dB/decade |
C. | 60 dB/decade |
D. | 80 dB/decade |
Answer» B. 40 dB/decade | |
9. |
In which of the filter circuits given below, will the bandwidth be equal to the critical frequency? |
A. | Low-pass |
B. | High-pass |
C. | Band-pass |
D. | Band-stop |
Answer» B. High-pass | |
10. |
A particular band-pass function has a network function as H(s) = \(\frac{3s}{s^2+4s+3}\) then, its quality factor Q is ___________ |
A. | \(\frac{3}{4}\) |
B. | \(\frac{2}{\sqrt{3}}\) |
C. | \(\frac{\sqrt{3}}{2}\) |
D. | \(\frac{\sqrt{3}}{4}\) |
Answer» E. | |
11. |
Two network functions are given below.H1 = \(\frac{1}{s^2 + \sqrt{2}s+1}\), H2 = \(\frac{1}{s^3+2s^2+2s+1}\) The frequency response indicates that the filter is ___________ |
A. | Low-pass |
B. | Band-pass |
C. | High-pass |
D. | Band reject |
Answer» B. Band-pass | |
12. |
In the circuit given below, C= C1 = C2. The gain of the multiple-feedback band-pass filter is ___________ |
A. | A0 = \(\frac{R_2}{R_1}\) |
B. | A0 = \(\frac{R_1}{R_2}\) |
C. | A0 = \(\frac{R_2}{2R_1}\) |
D. | A0 = \(\frac{R_1}{2R_2}\) |
Answer» D. A0 = \(\frac{R_1}{2R_2}\) | |