MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
Determine the average power delivered to the circuit consisting of an impedance Z = 5+j8 when the current flowing through the circuit is I = 5 30 . |
| A. | 61.5 |
| B. | 62.5 |
| C. | 63.5 |
| D. | 64.5 |
| Answer» C. 63.5 | |
| 2. |
A voltage v (t) = 100sin t is applied to a circuit. The current flowing through the circuit is i(t) = 15sin( t-30 ). Determine the average power delivered to the circuit. |
| A. | 620 |
| B. | 630 |
| C. | 640 |
| D. | 650 |
| Answer» E. | |
| 3. |
A voltage v (t) = 100sin t is applied to a circuit. The current flowing through the circuit is i(t) = 15sin( t-30 ). Find the effective value of current. |
| A. | 9 |
| B. | 10 |
| C. | 11 |
| D. | 12 |
| Answer» D. 12 | |
| 4. |
A voltage v (t) = 100sin t is applied to a circuit. The current flowing through the circuit is i(t) = 15sin( t-30 ). Find the effective value of voltage. |
| A. | 70 |
| B. | 71 |
| C. | 72 |
| D. | 73 |
| Answer» C. 72 | |
| 5. |
In case of purely inductive circuit, average power = ____ and = ______ |
| A. | 0, 90 |
| B. | 1, 90 |
| C. | 1, 0 |
| D. | 0, 0 |
| Answer» B. 1, 90 | |
| 6. |
In case of purely capacitive circuit, average power = ____ and = _____ |
| A. | 0, 0 |
| B. | 1, 0 |
| C. | 1, 90 |
| D. | 0, 90 |
| Answer» E. | |
| 7. |
Average power (Pavg)=? |
| A. | V<sub>eff</sub>I<sub>m</sub>cos |
| B. | V<sub>eff</sub>I<sub>eff</sub>cos |
| C. | V<sub>m</sub>I<sub>m</sub>cos |
| D. | V<sub>m</sub>I<sub>eff</sub>cos |
| Answer» C. V<sub>m</sub>I<sub>m</sub>cos | |