MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Light produced in a screen is _______ |
| A. | disappears immediately |
| B. | does not disappear at all |
| C. | is not visible to the eye |
| D. | disappears slowly |
| Answer» E. | |
| 2. |
During trace time, voltage is decreasing with time. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
What is the flyback period? |
| A. | voltage is very high |
| B. | current is very low |
| C. | voltage is zero |
| D. | current is very high |
| Answer» D. current is very high | |
| 4. |
Sinusoidal voltage is not observed on the screen. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
A single cycle appears on the screen when _______ |
| A. | sweep and signal frequencies are equal |
| B. | sweep and signal frequencies are not equal |
| C. | sweep and signal frequencies are zero |
| D. | sweep frequency is greater than signal frequency |
| Answer» B. sweep and signal frequencies are not equal | |
| 6. |
What is done to make the trace horizontal? |
| A. | negative voltage is applied |
| B. | positive voltage is applied |
| C. | no voltage is applied |
| D. | voltage is synchronised |
| Answer» E. | |
| 7. |
Spot is displayed only when _______ |
| A. | frequencies are different |
| B. | frequencies are zero |
| C. | frequencies are same |
| D. | voltage is high |
| Answer» D. voltage is high | |
| 8. |
Visible spot must be moved in _______ |
| A. | two directions |
| B. | one direction |
| C. | three directions |
| D. | four directions |
| Answer» C. three directions | |
| 9. |
What provides a periodic voltage waveform? |
| A. | sweep generator |
| B. | voltmeter |
| C. | oscillator |
| D. | amplifier |
| Answer» B. voltmeter | |