MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The length of the phasor represents? |
| A. | Magnitude of the quantity |
| B. | Direction of the quantity |
| C. | Neither magnitude nor direction |
| D. | Either magnitude or direction |
| Answer» B. Direction of the quantity | |
| 2. |
The time axis of an AC phasor represents? |
| A. | Time |
| B. | Phase angle |
| C. | Voltage |
| D. | Current |
| Answer» C. Voltage | |
| 3. |
A phasor has frozen at 30 degrees, find the value of the phase angle. |
| A. | 30 degrees |
| B. | 60 degrees |
| C. | 120 degrees |
| D. | 180 degrees |
| Answer» B. 60 degrees | |
| 4. |
Find the value of ω if the frequency is 5Hz? |
| A. | 3.14 rad/s |
| B. | 31.4 rad/s |
| C. | 34 rad/s |
| D. | 341 rad/s |
| Answer» C. 34 rad/s | |
| 5. |
What is the correct expression of ω? |
| A. | ω=2π |
| B. | ω=2πf |
| C. | ω=πf |
| D. | ω=2f2 |
| Answer» C. ω=πf | |
| 6. |
THE_TIME_AXIS_OF_AN_AC_PHASOR_REPRESENTS??$ |
| A. | Time |
| B. | Phase angle |
| C. | Voltage |
| D. | Current |
| Answer» C. Voltage | |
| 7. |
The_length_of_the_phasor_represents?$ |
| A. | Magnitude of the quantity |
| B. | Direction of the quantity |
| C. | Neither magnitude nor direction |
| D. | Either magnitude or direction |
| Answer» B. Direction of the quantity | |
| 8. |
When one sine wave passes through the zero following the other, it is _________ |
| A. | Leading |
| B. | Lagging |
| C. | Neither leading nor lagging |
| D. | Either leading or lagging |
| Answer» C. Neither leading nor lagging | |
| 9. |
Find the value of ω if the frequency is 5Hz?$ |
| A. | 3.14 rad/s |
| B. | 31.4 rad/s |
| C. | 34 rad/s |
| D. | 341 rad/s |
| Answer» C. 34 rad/s | |
| 10. |
What is the correct expression of ω?$ |
| A. | ω=2*pi |
| B. | ω=2*pi*f |
| C. | ω=pi*f |
| D. | ω=2f<sup>2</sup> |
| Answer» C. ‚âà√¨‚àö¬¢=pi*f | |
| 11. |
Find the total current in the circuit if two currents of 4+5j flow in the circuit. |
| A. | 4+5j A |
| B. | 4A |
| C. | 5A |
| D. | 8+10j A |
| Answer» E. | |
| 12. |
If a voltage of 2+5j and another voltage of 3+ 6j flows through two different resistors, connected in series, in a circuit, find the total voltage in the circuit. |
| A. | 2+5j V |
| B. | 3+6j V |
| C. | 5+11j V |
| D. | 5+10j V |
| Answer» D. 5+10j V | |
| 13. |
For multiplication and division of phasors, we use ____________ form. |
| A. | Rectangular |
| B. | Polar |
| C. | Either rectangular or polar |
| D. | Neither rectangular nor polar |
| Answer» B. Polar | |
| 14. |
For addition and subtraction of phasors, we use the _________ form. |
| A. | Rectangular |
| B. | Polar |
| C. | Either rectangular or polar |
| D. | Neither rectangular nor polar |
| Answer» B. Polar | |