MCQOPTIONS
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MCQOPTIONS
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. |
Given a system function H(s) = ( frac{V(s)}{I(s)} = frac{(s+4)}{(s+3)^2} ). And i(t) is a unit step, then V(t) in the steady state is ___________ |
| A. | ( frac{4}{9} ) |
| B. | ( frac{4}{3} ) |
| C. | 0 |
| D. | |
| Answer» B. ( frac{4}{3} ) | |
| 2. |
The z parameters form a matrix of the form ___________ |
| A. | [z<sub>11</sub> z<sub>12</sub>; z<sub>21</sub> z<sub>22</sub>] |
| B. | [z<sub>11</sub> z<sub>12</sub>; z<sub>22</sub> z<sub>21</sub>] |
| C. | [z<sub>12</sub> z<sub>11</sub>; z<sub>21</sub> z<sub>22</sub>] |
| D. | [z<sub>11</sub> z<sub>22</sub>; z<sub>12</sub> z<sub>21</sub>] |
| Answer» B. [z<sub>11</sub> z<sub>12</sub>; z<sub>22</sub> z<sub>21</sub>] | |
| 3. |
If y(t) = 120e10x(t), then the relation is _________ |
| A. | Dynamic |
| B. | Static |
| C. | Memory |
| D. | Memoryless but not static |
| Answer» C. Memory | |
| 4. |
The values of z12 and z22 for a T circuit having resistances 20 each is _____________ |
| A. | 40, 20 |
| B. | 40, 60 |
| C. | 20, 40 |
| D. | 40, 40 |
| Answer» D. 40, 40 | |
| 5. |
The values of z11 and z21 for a T circuit having resistances 20 each is _____________ |
| A. | 40, 20 |
| B. | 40, 60 |
| C. | 60, 40 |
| D. | 40, 40 |
| Answer» B. 40, 60 | |
| 6. |
Barlett s Bisection Theorem is applicable to ___________ |
| A. | Unsymmetrical networks |
| B. | Symmetrical networks |
| C. | Both unsymmetrical and symmetrical networks |
| D. | Neither to unsymmetrical nor to symmetrical networks |
| Answer» C. Both unsymmetrical and symmetrical networks | |
| 7. |
The value of 2 [u (t 1) u (1 2t)] (u ( t + 1) + u (t)) at t = 3 sec is ____________ |
| A. | 0 |
| B. | 4 |
| C. | |
| D. | 1 |
| Answer» C. | |
| 8. |
A system is at rest for t < 0. It is given by ( frac{dy}{dt} ) + 2y = u(t)sin (2t+A). If steady state is reached at t = 0, then the value of angle A is ___________ |
| A. | 0 |
| B. | 45 |
| C. | -45 |
| D. | |
| Answer» C. -45 | |
| 9. |
A system function H(s) = ( frac{V(s)}{I(s)} = frac{s}{(s+4)} ). For i(t) = u(t) and value of system is 0 for t<0. Then v(t) is ___________ |
| A. | 1 e<sup>-4t</sup> |
| B. | e<sup>-4t</sup> |
| C. | e<sup>4t</sup> |
| D. | 1 + e<sup>-4t</sup> |
| Answer» C. e<sup>4t</sup> | |
| 10. |
Given a series RLC circuit. The impedance Z(s) of the circuit will be? |
| A. | ( frac{5(s^2+5)}{s^2+s+1} ) |
| B. | ( frac{5(s^2-5)}{s^2-s-1} ) |
| C. | ( frac{s^2-10s-100}{s} ) |
| D. | ( frac{s^2+10s+100}{s} ) |
| Answer» E. | |
| 11. |
A system function H(s) = ( frac{25}{s^2+4s+100} ), the resonant frequency in rad/sec and bandwidth in rad/sec is ____________ |
| A. | 5, 10 |
| B. | 5, 4 |
| C. | 10, 4 |
| D. | 10, 10 |
| Answer» D. 10, 10 | |
| 12. |
For a network having 1 resistor and 1 F capacitor in series, the impedance Z(s) is ____________ |
| A. | ( frac{s+1}{s} ) |
| B. | ( frac{s+2}{s} ) |
| C. | ( frac{s}{s+1} ) |
| D. | ( frac{s}{s+2} ) |
| Answer» B. ( frac{s+2}{s} ) | |