MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the definition of sensitivity of a galvanometer from the following. |
| A. | Ratio of unit change in unknown resistance to the deflection in the galvanometer |
| B. | Ratio of unit change in unknown resistance to twice the deflection in the galvanometer |
| C. | Ratio of deflection in the galvanometer to the unit change in unknown resistance |
| D. | Ratio of deflection in the galvanometer to half the unit change in unknown resistance |
| Answer» D. Ratio of deflection in the galvanometer to half the unit change in unknown resistance | |
| 2. |
The equation of a balanced Wheatstone bridge is PR = QS. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which instrument is used as the null detector in the Wheatstone bridge? |
| A. | Voltmeter |
| B. | Ammeter |
| C. | Galvanometer |
| D. | Multimeter |
| Answer» D. Multimeter | |
| 4. |
How many resistances are used in a Wheatstone bridge? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» C. 5 | |