MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
A rectangular voltage wave of magnitude A and duration B is applied to a series combination of resistance R and capacitance C. The voltage developed across the capacitor is ____________ |
| A. | A[1 exp(- ( frac{B}{RC} ))] |
| B. | ( frac{AB}{RC} ) |
| C. | A |
| D. | A exp(- ( frac{B}{RC} )) |
| Answer» B. ( frac{AB}{RC} ) | |
| 2. |
An ideal capacitor is charged to a voltage VO and connected at t=0 across an ideal inductor L. If = ( frac{1}{ sqrt{LC}} ), the voltage across the capacitor at time t>0 is ____________ |
| A. | V<sub>O</sub> |
| B. | V<sub>O</sub> cos( t) |
| C. | V<sub>O</sub> sin( t) |
| D. | V<sub>O</sub> e<sup>- t</sup>cos( t) |
| Answer» C. V<sub>O</sub> sin( t) | |
| 3. |
For a unit step signal u (t), the response is V1 (t) = (1-e-3t) for t>0. If a signal 3u (t) + (t) is applied, the response will be (considering zero initial conditions)? |
| A. | (3-6e<sup>-3t</sup>)u(t) |
| B. | (3-3e<sup>-3t</sup>)u(t) |
| C. | 3u(t) |
| D. | (3+3e<sup>-3t</sup>)u(t) |
| Answer» D. (3+3e<sup>-3t</sup>)u(t) | |
| 4. |
A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 100. If each of R, L and C is doubled from its original value, the new Q of the circuit is _____________ |
| A. | 25 |
| B. | 50 |
| C. | 100 |
| D. | 200 |
| Answer» C. 100 | |