MCQOPTIONS
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MCQOPTIONS
This section includes 3 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. |
Balance condition can be obtained by _________ |
| A. | varying the standard resistance R<sub>3</sub> |
| B. | varying the resistance arms R<sub>1</sub> and R<sub>2</sub> |
| C. | keeping the unknown resistance R<sub>4</sub> constant |
| D. | by making use of a null detector |
| Answer» C. keeping the unknown resistance R<sub>4</sub> constant | |
| 2. |
The balance condition of a Wheatstone bridge depends on the _________ |
| A. | ratio of arms R<sub>1</sub> and R<sub>1</sub> |
| B. | ratio of arms R<sub>3</sub> and R<sub>4</sub> |
| C. | emf source and null detector |
| D. | current source and power source |
| Answer» B. ratio of arms R<sub>3</sub> and R<sub>4</sub> | |
| 3. |
Wheatstone bridge works on the principle of ________ |
| A. | full deflection |
| B. | partial deflection |
| C. | no deflection |
| D. | null deflection |
| Answer» E. | |