MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
A multimeter is often called a VOM, which is an abbreviation of volt-ohm ________. |
| A. | meter |
| B. | mega ammeter |
| C. | milliammeter |
| D. | microammeter |
| Answer» D. microammeter | |
| 2. |
A multimeter cannot measure |
| A. | Current |
| B. | Potential difference |
| C. | Charge |
| D. | Resistance |
| Answer» D. Resistance | |
| 3. |
A vector voltmeter can be used to measure1. complex insertion loss2. two-port network parameters3. amplifier gain and phase shift4. harmonic distortionWhich of the above are correct? |
| A. | 1, 2 and 4 |
| B. | 1, 2 and 3 |
| C. | 1, 3 and 4 |
| D. | 2, 3 and 4 |
| Answer» C. 1, 3 and 4 | |
| 4. |
A multimeter consists of |
| A. | Current and Ohm meter |
| B. | Voltmeter and Ohm meter |
| C. | Voltmeter and Current meter |
| D. | Voltmeter, current meter and Ohm meter |
| Answer» E. | |
| 5. |
AC Voltmeters use diodes with: |
| A. | High forward current and low reverse current ratings |
| B. | Low forward current and low reverse current ratings |
| C. | Low forward current and high reverse current ratings |
| D. | High forward current and high reverse current ratings |
| Answer» B. Low forward current and low reverse current ratings | |
| 6. |
A thermocouple ammeter/voltmeter has ___ |
| A. | A logarithmic law response |
| B. | A square law response |
| C. | A linear law response |
| D. | None of these |
| Answer» C. A linear law response | |
| 7. |
Electronic voltmeters using rectifiers are designed to have large negative feedback. This is done: |
| A. | to improve stability |
| B. | to improve sensitivity |
| C. | to increase the overall gain |
| D. | to overcome the non-linearity of the rectifier diodes |
| Answer» E. | |
| 8. |
A rectifier is used in an instrument for the purpose of ________. |
| A. | measuring high voltage values |
| B. | measuring high current values |
| C. | converting AC into DC |
| D. | making the instrument more stable |
| Answer» D. making the instrument more stable | |
| 9. |
Directions: It consists of two statements, one labelled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answers to these items using the codes given below:Statement (I):Before making any voltage measurement using electronic voltmeter, it is desirable to short circuit its input and make zero-adjustment to ensure correct reading.Statement (II):Drift in the dc amplifier of the electronic voltmeter may indicate output without any input voltage present. |
| A. | Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I) |
| B. | Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I) |
| C. | Statement (I) is true but Statement (II) is false |
| D. | Statement (I) is false but Statement (II) is true |
| Answer» B. Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I) | |