MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Drives knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the value of inductor voltage during resonance condition if the value of supply voltage is 7 V and the quality factor is 9. |
| A. | 59 V |
| B. | 63 V |
| C. | 73 V |
| D. | 33 V |
| Answer» C. 73 V | |
| 2. |
When 1 A current flows out of the positive terminal of voltage source 6 V. Calculate the power delivered by the source. |
| A. | 6 W |
| B. | 7 W |
| C. | -9 W |
| D. | -5 W |
| Answer» B. 7 W | |
| 3. |
Calculate the active power in an 0 resistor with 0 current flowing through it. |
| A. | inf MW |
| B. | 0 MW |
| C. | 2 MW |
| D. | 18 MW |
| Answer» C. 2 MW | |
| 4. |
Calculate the equivalent inductance when two inductors are connected in parallel of values 12 H and 12 H. |
| A. | 6 H |
| B. | 10 H |
| C. | 12 H |
| D. | 8 H |
| Answer» B. 10 H | |
| 5. |
The slope of the V-I curve is 17.587o. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line. |
| A. | .322 |
| B. | .360 |
| C. | .316 |
| D. | .778 |
| Answer» D. .778 | |
| 6. |
When 30 A current flows into the positive terminal of current source 8 V. Calculate the power delivered by the source. |
| A. | -240 W |
| B. | 360 W |
| C. | -430 W |
| D. | 500 W |
| Answer» B. 360 W | |
| 7. |
Calculate the value of capacitor voltage during resonance condition if the value of supply voltage is 20 V and the quality factor is 3. |
| A. | 60 V |
| B. | 50 V |
| C. | 10 V |
| D. | 30 V |
| Answer» B. 50 V | |
| 8. |
Calculate the value of power factor if the values of R and Z are 2 and 10 . |
| A. | 0.8 |
| B. | 0.5 |
| C. | 0.2 |
| D. | 0.4 |
| Answer» D. 0.4 | |
| 9. |
Calculate the value of the frequency of the 440 V DC supply. |
| A. | 100 Hz |
| B. | 0 Hz |
| C. | 200 Hz |
| D. | 500 Hz |
| Answer» C. 200 Hz | |
| 10. |
Calculate the value of the time period if the frequency of the signal is .001 Hz. |
| A. | 1000 sec |
| B. | 2000 sec |
| C. | 5000 sec |
| D. | 1500 sec |
| Answer» B. 2000 sec | |
| 11. |
Calculate the velocity of the ball if the angular speed is 7 rad/s and radius is .2 m. |
| A. | 2.5 m/s |
| B. | 1.4 m/s |
| C. | 4.5 m/s |
| D. | 1.0 m/s |
| Answer» C. 4.5 m/s | |
| 12. |
Transient analysis is only applicable to bounded systems. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
The length of phasor is ___________ |
| A. | R.M.S |
| B. | Average |
| C. | Peak to Peak |
| D. | Minimum |
| Answer» B. Average | |
| 14. |
Instantaneous power in the 3- system is constant. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
What is the condition for maximum power transfer theorem in DC circuits? |
| A. | R<sub>L</sub>=2R<sub>th</sub> |
| B. | R<sub>L</sub> R<sub>th</sub> |
| C. | R<sub>L</sub> R<sub>th</sub> |
| D. | R<sub>L</sub>=R<sub>th</sub> |
| Answer» E. | |