MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
Maximum sensitivity occurs when? |
| A. | <sup>R<sub>3</sub></sup> <sub>R<sub>4</sub></sub> = 1 |
| B. | <sup>R<sub>2</sub></sup> <sub>R<sub>4</sub></sub> = 1 |
| C. | <sup>R<sub>1</sub></sup> <sub>R<sub>2</sub></sub> = 1 |
| D. | <sup>R<sub>3</sub></sup> <sub>R<sub>2</sub></sub> = 1 |
| Answer» B. <sup>R<sub>2</sub></sup> <sub>R<sub>4</sub></sub> = 1 | |
| 2. |
Bridge sensitivity is defined as _________ |
| A. | (S_B= frac{ theta}{R} ) |
| B. | (S_B= frac{ theta}{ Delta R} ) |
| C. | (S_B= frac{1}{ frac{ Delta R}{R}} ) |
| D. | (S_B= frac{ theta}{ frac{ Delta R}{R}} ) |
| Answer» E. | |
| 3. |
Sensitivity is expressed in _________ |
| A. | cm/A |
| B. | m/mA |
| C. | mm/ A |
| D. | inch/nA |
| Answer» D. inch/nA | |
| 4. |
When the bridge is balanced, what is the current flowing through the galvanometer? |
| A. | 0 |
| B. | depends on the ratio arms R<sub>1</sub> and R<sub>2</sub> |
| C. | varies by a factor of 2 |
| D. | depends on the type of null detector used |
| Answer» B. depends on the ratio arms R<sub>1</sub> and R<sub>2</sub> | |