MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the charge in a capacitor is 4C and the energy stored in it is 4J, calculate the voltage across its plates. |
| A. | 2V |
| B. | 4V |
| C. | 8V |
| D. | 16V |
| Answer» B. 4V | |
| 2. |
If the charge in a capacitor is 4C and the energy stored in it is 4J, find the value of capacitance. |
| A. | 2F |
| B. | 4F |
| C. | 8F |
| D. | 16F |
| Answer» B. 4F | |
| 3. |
If the charge stored in a capacitor is 4C and the value of capacitance is 2F, calculate the energy stored in it. |
| A. | 2J |
| B. | 4J |
| C. | 8J |
| D. | 16J |
| Answer» C. 8J | |
| 4. |
When do we get maximum energy from a set of capacitors? |
| A. | When they are connected in parallel |
| B. | When they are connected in series |
| C. | Both in series and parallel |
| D. | Insufficient information provided |
| Answer» B. When they are connected in series | |
| 5. |
Energy stored in 2000mF capacitor charged to a potential difference of 10V is? |
| A. | 0.1J |
| B. | 0.2J |
| C. | 0.3J |
| D. | 0.4J |
| Answer» B. 0.2J | |
| 6. |
Work done in charging a capacitor is ____________ |
| A. | QV |
| B. | 1/2QV |
| C. | 2QV |
| D. | QV<sup>2</sup> |
| Answer» C. 2QV | |