MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Current I = 1 + ( sqrt{2} ) (sin ( t + 60 )) A is passed through three meters. The respective readings will be? |
| A. | ( sqrt{2} ) A, ( sqrt{2} ) A and 1 A |
| B. | 1 A, ( sqrt{2} ) A and 1 A |
| C. | 1 A, ( sqrt{2} ) A and ( sqrt{2} ) A |
| D. | -1 A, 1 A and 1 A |
| Answer» D. -1 A, 1 A and 1 A | |
| 2. |
Given a system function H(s) = ( frac{1}{s+10} ). Let us consider a signal sin 10t. Then the steady state response is ___________ |
| A. | 1 |
| B. | 2 |
| C. | 0 |
| D. | 5 |
| Answer» D. 5 | |
| 3. |
A Low-pass filter circuit has a cut-off frequency of 50 kHz. The bandwidth of the filter is ______________ |
| A. | 24.6 kHz |
| B. | 50 kHz |
| C. | 61.5 kHz |
| D. | 36.9 kHz |
| Answer» C. 61.5 kHz | |
| 4. |
For providing a Roll-off greater than 60dB/decade/pole, filters with which characteristics are useful? |
| A. | Butterworth |
| B. | Chebyshev |
| C. | Bessel |
| D. | Butterworth & Bessel |
| Answer» C. Bessel | |
| 5. |
For a Band Pass Filter, the slope of the filter is given as 80dB/decade. The order of the Band Pass Filter is __________ |
| A. | 10 |
| B. | 8 |
| C. | 4 |
| D. | 6 |
| Answer» C. 4 | |
| 6. |
The filter which passes all frequencies above fc by attenuating significantly, all frequencies above fc is _______________ |
| A. | Low-pass |
| B. | High-pass |
| C. | Band-pass |
| D. | Band-stop |
| Answer» C. Band-pass | |
| 7. |
A particular band-pass function has a network function as H(s) = ( frac{s}{s^2+2s+1} ) then, its quality factor Q is ___________ |
| A. | ( frac{3}{4} ) |
| B. | ( frac{1}{2} ) |
| C. | ( frac{3}{2} ) |
| D. | ( frac{1}{4} ) |
| Answer» E. | |
| 8. |
Two network functions are given below.H1 = ( frac{1}{s^2 + 2s + 1} ), H2 = ( frac{1}{s^3+3s^2+3s+1} ) |
| A. | nThe frequency response indicates that the filter is ___________ |
| B. | Low-pass |
| C. | Band-pass |
| D. | High-pass |
| E. | Band reject |
| Answer» B. Low-pass | |
| 9. |
A thermistor is used for ____________ |
| A. | Over voltage protection |
| B. | Temperature alarm circuit |
| C. | Automatic light control |
| D. | Automatic sensor |
| Answer» C. Automatic light control | |
| 10. |
In a parallel RL circuit, 10 A current enters into the resistor R and 15 A current enters into the Inductor L. The total current I is _____________ |
| A. | 15.5 A |
| B. | 25.05 A |
| C. | 18.03 A |
| D. | 30.15 A |
| Answer» D. 30.15 A | |