MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In AC networks, maximum power is delivered when __________ |
| A. | ZL*ZS*=0 |
| B. | ZL+ZS*=1 |
| C. | ZL=-ZS* |
| D. | ZL=ZS* |
| Answer» E. | |
| 2. |
Calculate the maximum power delivered to load in the network given. |
| A. | 1.56W |
| B. | 1.66W |
| C. | 2.33W |
| D. | 2.79W |
| Answer» B. 1.66W | |
| 3. |
Find the value of RL in given circuit. |
| A. | 4Ω |
| B. | 5Ω |
| C. | 3Ω |
| D. | 1.66Ω |
| Answer» D. 1.66Ω | |
| 4. |
Find the current in the 1Ω resistor of the given circuit. |
| A. | 4A |
| B. | 1.33A |
| C. | 2A |
| D. | 0.66A |
| Answer» B. 1.33A | |
| 5. |
If there are 5 sources in a network out of which 3 are dependent and 2 are independent. For superposition principle ___________ sources are considered. |
| A. | 5 |
| B. | 3 |
| C. | 2 |
| D. | 0 |
| Answer» D. 0 | |
| 6. |
Find the current in 5Ω resistor near 12V source using superposition principle in network given |
| A. | 2.9A |
| B. | -2.9A |
| C. | 1A |
| D. | -1A |
| Answer» C. 1A | |
| 7. |
Find the current in the 3Ω resistor of the given network using Superposition principle. |
| A. | 2.5A |
| B. | 3.125A |
| C. | 6.525A |
| D. | 5.625A |
| Answer» E. | |
| 8. |
Determine the maximum power delivered to the load in the network given. |
| A. | 4.68W |
| B. | 5.75W |
| C. | 3.16W |
| D. | 6.84W |
| Answer» B. 5.75W | |
| 9. |
Calculate the maximum power delivered across RL of the circuit given. |
| A. | 900W |
| B. | 1025W |
| C. | 2025W |
| D. | 1500W |
| Answer» D. 1500W | |
| 10. |
Maximum power in terms of the thevenin’s voltage and load resistance __________ |
| A. | (VTh) 2 /4RL |
| B. | (VTh) 2 *4RL |
| C. | (VTh) 2 +4RL |
| D. | 4RL/ (VTh) 2 |
| Answer» B. (VTh) 2 *4RL | |
| 11. |
If_there_are_5_sources_in_a_network_out_of_which_3_are_dependent_and_2_are_independent._For_superposition_principle_____________sources_are_considered.$ |
| A. | 5 |
| B. | 3 |
| C. | 2 |
| D. | 0 |
| Answer» D. 0 | |
| 12. |
Superposition principle states that at a time __________ source(S) acts. |
| A. | All the given sources |
| B. | Only voltage sources |
| C. | Only one source |
| D. | Only current sources |
| Answer» D. Only current sources | |
| 13. |
In AC networks, maximum power is delivered when __________ |
| A. | Z<sub>L</sub>*Z<sub>S</sub>*=0 |
| B. | Z<sub>L</sub>+Z<sub>S</sub>*=1 |
| C. | Z<sub>L</sub>=-Z<sub>S</sub>* |
| D. | Z<sub>L</sub>=Z<sub>S</sub>* |
| Answer» E. | |
| 14. |
According to Superposition principle response in one element is the algebraic sum of responses by individual sources acting alone. |
| A. | False |
| B. | True |
| Answer» C. | |
| 15. |
The Superposition principle is obeyed by ____________ |
| A. | Linear networks |
| B. | Non-linear networks |
| C. | Lateral networks |
| D. | Trilateral networks |
| Answer» B. Non-linear networks | |
| 16. |
Maximum power in terms of the thevenin’s voltage and load resistance __________$ |
| A. | (V<sub>Th</sub>) 2 /4R<sub>L</sub> |
| B. | (V<sub>Th</sub>) 2 *4R<sub>L</sub> |
| C. | (V<sub>Th</sub>) 2 +4R<sub>L</sub> |
| D. | 4R<sub>L</sub>/ (V<sub>Th</sub>) 2 |
| Answer» B. (V<sub>Th</sub>) 2 *4R<sub>L</sub> | |
| 17. |
In a network maximum power transfer occurs when __________ |
| A. | R<sub>Th</sub>= -R<sub>L</sub> |
| B. | R<sub>Th</sub>/R<sub>L</sub> =0 |
| C. | R<sub>Th</sub>= R<sub>L</sub> |
| D. | R<sub>Th</sub>+R<sub>L</sub>= 1 |
| Answer» D. R<sub>Th</sub>+R<sub>L</sub>= 1 | |
| 18. |
Which of the following is the example to describe the efficiency of power transfer? |
| A. | Communication systems |
| B. | Power utility systems |
| C. | Instrumentation systems |
| D. | Telecom systems |
| Answer» C. Instrumentation systems | |