MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will be the sensitivity of a volt meter with 0 to 7mA meter movement? |
| A. | 143 / V |
| B. | 140 /V |
| C. | 100 /V |
| D. | 10 /V |
| Answer» B. 140 /V | |
| 2. |
What is the purpose of a differential amplifier in voltmeter? |
| A. | Elimination of unwanted signals |
| B. | To find difference of voltages |
| C. | To eliminate DC components |
| D. | To set a certain voltage level |
| Answer» B. To find difference of voltages | |
| 3. |
Who invented the first digital voltmeter? |
| A. | Edward Lawry Norton |
| B. | Andrew Kay |
| C. | Joseph Henry |
| D. | Nicola tesla |
| Answer» C. Joseph Henry | |
| 4. |
In a CRO what is the purpose of the blanking circuit? |
| A. | To increase visual quality |
| B. | To increase number of channels |
| C. | To eliminate retrace of signals due to movement of spot |
| D. | None of mentioned |
| Answer» D. None of mentioned | |
| 5. |
Which of the following unit is used to express the sensitivity of analog voltmeter? |
| A. | Ohms |
| B. | Voltage |
| C. | No unit |
| D. | Ohms per volt |
| Answer» E. | |
| 6. |
A Multimeter is used to measure ___________ |
| A. | Only AC current |
| B. | Only DC voltage |
| C. | Both AC and DC quantities |
| D. | Resistance only |
| Answer» D. Resistance only | |