MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
What is the condition for using a multiplier in A.C. voltmeters? |
| A. | by using ac supply |
| B. | by maintaining a uniform impedance |
| C. | by maintaining a uniform frequency |
| D. | by using a galvanometer |
| Answer» D. by using a galvanometer | |
| 2. |
A multiplier is __________ |
| A. | non-inductive |
| B. | resistive |
| C. | capacitive |
| D. | non-capacitive |
| Answer» B. resistive | |
| 3. |
WHAT_IS_THE_CONDITION_FOR_USING_A_MULTIPLIER_IN_A.C._VOLTMETERS??$ |
| A. | by using ac supply |
| B. | by maintaining a uniform impedance |
| C. | by maintaining a uniform frequency |
| D. | by using a galvanometer |
| Answer» D. by using a galvanometer | |
| 4. |
A_MULTIPLIER_IS___________?$ |
| A. | non-inductive |
| B. | resistive |
| C. | capacitive |
| D. | non-capacitive |
| Answer» B. resistive | |
| 5. |
What is the effect of the ammeter range on the shunt resistance? |
| A. | no effect |
| B. | varies by a factor of multiplying factor |
| C. | varies by a factor of the resistance |
| D. | varies by a factor of unity |
| Answer» C. varies by a factor of the resistance | |
| 6. |
In case of AC ammeters, shunts consist of __________ |
| A. | impedance |
| B. | capacitance |
| C. | resistance |
| D. | inductance |
| Answer» E. | |
| 7. |
Potential terminals have a __________ |
| A. | high current capacity |
| B. | low voltage capacity |
| C. | low current capacity |
| D. | high voltage capacity |
| Answer» D. high voltage capacity | |
| 8. |
Current terminals have a small current capacity. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
A shunt can be used to measure large currents. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
A shunt is a __________ |
| A. | very high resistance |
| B. | medium resistance |
| C. | very low resistance |
| D. | high resistance |
| Answer» D. high resistance | |
| 11. |
Moving coil instruments have a current and voltage rating of __________ |
| A. | 100 A and 25 V |
| B. | 50 mA and 50 mV |
| C. | 75 nA and 100 μV |
| D. | 25 μA and 75 V |
| Answer» C. 75 nA and 100 ‚âà√≠¬¨‚à´V | |
| 12. |
Range of an electrical instrument depends on __________ |
| A. | current |
| B. | voltage |
| C. | power |
| D. | resistance |
| Answer» B. voltage | |