MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Calculate the crest factor if the peak value of current is 10A and the rms value is 2A. |
| A. | 5 |
| B. | 10 |
| C. | 5A |
| D. | 10A |
| Answer» B. 10 | |
| 2. |
Peak value divided by the rms value gives us? |
| A. | Peak factor |
| B. | Crest factor |
| C. | Both peak and crest factor |
| D. | Neither peak nor crest factor |
| Answer» D. Neither peak nor crest factor | |
| 3. |
For a rectangular wave, average current is ______ rms current. |
| A. | Greater than |
| B. | Less than |
| C. | Equal to |
| D. | Not related |
| Answer» D. Not related | |
| 4. |
CALCULATE_THE_CREST_FACTOR_IF_THE_PEAK_VALUE_OF_CURRENT_IS_10A_AND_THE_RMS_VALUE_IS_2A.?$ |
| A. | 5 |
| B. | 10 |
| C. | 5A |
| D. | 10A |
| Answer» B. 10 | |
| 5. |
PEAK_VALUE_DIVIDED_BY_THE_RMS_VALUE_GIVES_US??$ |
| A. | Peak factor |
| B. | Crest factor |
| C. | Both peak and crest factor |
| D. | Neither peak nor crest factor |
| Answer» D. Neither peak nor crest factor | |
| 6. |
For a rectangular wave, average current is ______ rms current? |
| A. | Greater than |
| B. | Less than |
| C. | Equal to |
| D. | Not related |
| Answer» D. Not related | |
| 7. |
In a sinusoidal wave, average current is always _______ rms current. |
| A. | Greater than |
| B. | Less than |
| C. | Equal to |
| D. | Not related |
| Answer» C. Equal to | |
| 8. |
What is the effective value of current? |
| A. | RMS current |
| B. | Average current |
| C. | Instantaneous current |
| D. | Total current |
| Answer» B. Average current | |
| 9. |
__________ current is found by dividing the area enclosed by the half cycle by the length of the base of the half cycle. |
| A. | RMS current |
| B. | Average current |
| C. | Instantaneous current |
| D. | Total current |
| Answer» C. Instantaneous current | |
| 10. |
What is the type of current obtained by finding the square of the currents and then finding their average and then fining the square root? |
| A. | RMS current |
| B. | Average current |
| C. | Instantaneous current |
| D. | Total current |
| Answer» B. Average current | |
| 11. |
RMS stands for ________ |
| A. | Root Mean Square |
| B. | Root Mean Sum |
| C. | Root Maximum sum |
| D. | Root Minimum Sum |
| Answer» B. Root Mean Sum | |
| 12. |
What is the current found by finding the current in an equidistant region and dividing by n? |
| A. | RMS current |
| B. | Average current |
| C. | Instantaneous current |
| D. | Total current |
| Answer» C. Instantaneous current | |
| 13. |
Find the average value of current when the current that are equidistant are 4A, 5A and 6A. |
| A. | 5A |
| B. | 6A |
| C. | 15A |
| D. | 10A |
| Answer» B. 6A | |