MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Instrumentation Transducers 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 Ω/ V |
| B. | 140 Ω/V |
| C. | 100 Ω/V |
| D. | 10 Ω/V |
| Answer» B. 140 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ/V | |
| 2. |
In a CRO to which part saw tooth waveform is applied? |
| A. | Horizontal amplifier |
| B. | To fluorescent screen |
| C. | Vertical deflection plate |
| D. | Electron gun |
| Answer» B. To fluorescent screen | |
| 3. |
What is the purpose of 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 | |
| 4. |
Which of the following can be the range of input impedance of voltmeter? |
| A. | less than 1Ω |
| B. | Between 1Ω and 10Ω |
| C. | Very high |
| D. | unpredictable |
| Answer» D. unpredictable | |
| 5. |
Who invented first digital voltmeter? |
| A. | Edward Lawry Norton |
| B. | Andrew Kay |
| C. | Joseph Henry |
| D. | Nicola tesla |
| Answer» C. Joseph Henry | |
| 6. |
In a CRO what is the purpose of 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 | |
| 7. |
Which of the following unit is used to express sensitivity of analog voltmeter? |
| A. | Ohms |
| B. | Voltage |
| C. | No unit |
| D. | Ohms per volt |
| Answer» E. | |
| 8. |
Which of the following applications are electrostatic instruments suited for? |
| A. | With AC quantities only |
| B. | With AC and DC quantities |
| C. | With DC quantities only |
| D. | None of the mentioned |
| Answer» C. With DC quantities only | |
| 9. |
Which of the following device can be used to measure low voltage? |
| A. | VTVM |
| B. | Moving iron voltmeter |
| C. | CRO |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 10. |
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 | |