MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For the circuit given below, the Time-constant is __________ |
| A. | 1.5 |
| B. | 1.25 |
| C. | 2.5 |
| D. | 2.25 |
| Answer» C. 2.5 | |
| 2. |
The inverse Laplace transform of F(s) = \(\frac{e^{-3s}}{s(s^2+3s+2)}\) is ______________ |
| A. | {0.5 + 0.5e-2(t+3) – e-(t+3)} u (t+3) |
| B. | {0.5 + 0.5e-2(t+3) – e-(t-3)} u (t-3) |
| C. | {0.5 – 0.5e-2(t-3) – e-(t-3)} u (t-3) |
| D. | 0.5 + 0.5e-2t – e-t) |
| Answer» C. {0.5 – 0.5e-2(t-3) – e-(t-3)} u (t-3) | |
| 3. |
The inverse Laplace transform of F(s) = \(\frac{5}{s^2-9}\) is ______________ |
| A. | \(\frac{1}{6}e^{3t} + \frac{5}{6e^{-3t}}\) |
| B. | \(\frac{1}{6}e^{3t} – \frac{5}{6e^{-3t}}\) |
| C. | \(\frac{5}{6}e^{3t} + \frac{5}{6e^{-3t}}\) |
| D. | \(\frac{5}{6}e^{3t} – \frac{5}{6e^{-3t}}\) |
| Answer» E. | |
| 4. |
The inverse Laplace transform of F(s) = \(\frac{3s+5}{s^2+7}\) is _____________ |
| A. | 3 sin (\(\sqrt{7}\)t) – \(\frac{5}{\sqrt{7}}\) cos (\(\sqrt{7}\) t) |
| B. | 3 sin (\(\sqrt{7}\)t) + \(\frac{5}{\sqrt{7}}\) cos (\(\sqrt{7}\) t) |
| C. | 3 cos (\(\sqrt{7}\)t) + \(\frac{5}{\sqrt{7}}\) sin (\(\sqrt{7}\) t) |
| D. | 3 cos (\(\sqrt{7}\)t) – \(\frac{5}{\sqrt{7}}\) sin (\(\sqrt{7}\) t) |
| Answer» D. 3 cos (\(\sqrt{7}\)t) – \(\frac{5}{\sqrt{7}}\) sin (\(\sqrt{7}\) t) | |
| 5. |
The inverse Laplace transform of F(s) = \(\frac{2}{s+c}e^{-bs}\) is _____________ |
| A. | 2e-k (t+b) u (t+b) |
| B. | 2e-k (t-b) u (t-b) |
| C. | 2ek (t-b) u (t-b) |
| D. | 2ek (t-b) u (t+b) |
| Answer» C. 2ek (t-b) u (t-b) | |
| 6. |
What is the steady state value of F (t), if it is known that F(s) = b/(s(s+1)(s+a)), where a>0? |
| A. | \(\frac{b}{a}\) |
| B. | \(\frac{a}{b}\) |
| C. | 1 |
| D. | Cannot be determined |
| Answer» B. \(\frac{a}{b}\) | |
| 7. |
What is the steady state value of F (t), if it is known that F(s) = \(\frac{1}{(s+2)^2 (s+4)}\)? |
| A. | \(\frac{1}{16}\) |
| B. | Cannot be determined |
| C. | 0 |
| D. | \(\frac{1}{8}\) |
| Answer» D. \(\frac{1}{8}\) | |
| 8. |
What is the steady state value of F (t), if it is known that F(s) = \(\frac{1}{(s-1)(s+2)}\)? |
| A. | 1 |
| B. | –\(\frac{1}{2}\) |
| C. | \(\frac{1}{2}\) |
| D. | Cannot be determined |
| Answer» E. | |
| 9. |
What is the steady state value of F (t), if it is known that F(s) = \(\frac{2}{s(S+1)(s+2)(s+3)}\)? |
| A. | \(\frac{1}{2}\) |
| B. | \(\frac{1}{3}\) |
| C. | \(\frac{1}{4}\) |
| D. | Cannot be determined |
| Answer» C. \(\frac{1}{4}\) | |