MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A 122mv, 12mA d’Arsonval movement is to be used in voltmeter whose full scale reading is 120v. The resistance inserted by 120v _____________ |
| A. | 1200Ω |
| B. | 12000Ω |
| C. | 1000Ω |
| D. | 10,000Ω |
| Answer» E. | |
| 2. |
A 100mv, 5mA d’Arsonval movement is to be used in an ammeter whose full-scale reading is 1A. Calculate RA. |
| A. | 0.7 ohms |
| B. | 0.5 ohms |
| C. | 0.1 ohms |
| D. | 0.2 ohms |
| Answer» D. 0.2 ohms | |
| 3. |
A 25mv, 2mA d’Arsonval movement is to be used in voltmeter whose full scale reading is 100v. The resistance inserted by 100v meter into circuit is ___________ |
| A. | 1 * 105Ω |
| B. | 1 * 106Ω |
| C. | 1 * 104Ω |
| D. | 1 * 103Ω |
| Answer» B. 1 * 106Ω | |
| 4. |
A 20mv, 1mA d’Arsonval movement is used in an ammeter whose full-scale reading is 10 mA. Determine RA. |
| A. | 2.222Ω |
| B. | 6.667Ω |
| C. | 5.92Ω |
| D. | 3.333Ω |
| Answer» B. 6.667Ω | |
| 5. |
A_122MV,_12MA_D‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•ARSONVAL_MOVEMENT_IS_TO_BE_USED_IN_VOLTMETER_WHOSE_FULL_SCALE_READING_IS_120V._THE_RESISTANCE_INSERTED_BY_120V______________?$# |
| A. | 1200Ω |
| B. | 12000Ω |
| C. | 1000Ω |
| D. | 10,000Ω |
| Answer» E. | |
| 6. |
A 100mv, 5mA d’Arsonval movement is to be used in an ammeter whose full-scale reading is 1A. Calculate RA?# |
| A. | 0.7 ohms |
| B. | 0.5 ohms |
| C. | 0.1 ohms |
| D. | 0.2 ohms |
| Answer» D. 0.2 ohms | |
| 7. |
An ideal ammeter functions as __________ circuit |
| A. | A short |
| B. | An open |
| C. | A power |
| D. | An infinite |
| Answer» B. An open | |
| 8. |
An ideal voltmeter functions as __________ circuit |
| A. | A short |
| B. | An open |
| C. | A power |
| D. | An infinite |
| Answer» C. A power | |
| 9. |
A 25mv, 2mA d’Arsonval movement is to be used in voltmeter whose full scale reading is 100v. The resistance inserted by 100v meter into circuit is ___________$ |
| A. | 1 * 10<sup>5</sup>Ω |
| B. | 1 * 10<sup>6</sup>Ω |
| C. | 1 * 10<sup>4</sup>Ω |
| D. | 1 * 10<sup>3</sup>Ω |
| Answer» B. 1 * 10<sup>6</sup>‚Äö√Ñ√∂‚àö√´¬¨‚àÇ | |
| 10. |
A 20mv, 1mA d’Arsonval movement is used in an ammeter whose full-scale reading is 10 mA. Determine RA.$ |
| A. | 2.222Ω |
| B. | 6.667Ω |
| C. | 5.92Ω |
| D. | 3.333Ω |
| Answer» B. 6.667‚Äö√Ñ√∂‚àö√´¬¨‚àÇ | |
| 11. |
Digital meters are preferable than analog meters. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Continuous voltages (or) current signals are measured using |
| A. | Tachometers |
| B. | Sonometers |
| C. | Analog meters |
| D. | Digital meters |
| Answer» E. | |
| 13. |
An ideal voltmeter has ___________ equivalent resistance and ideal ammeter has ___________ equivalent resistance. |
| A. | Unity, Unity |
| B. | Zero, infinite |
| C. | Infinite, Zero |
| D. | Zero, Zero |
| Answer» D. Zero, Zero | |
| 14. |
____________ helps in current measurement by placing it in ____________ with the circuit element. |
| A. | Voltameter, Parallel |
| B. | Ammeter, series |
| C. | Voltmeter, series |
| D. | Ammeter, parallel |
| Answer» C. Voltmeter, series | |