MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A parallel plate capacitor has a plate area of 100 cm2 and is separated by a distance of 20 mm. Find its capacitance. |
| A. | 6.425 × 10-12 F |
| B. | 5.425 × 10-12 F |
| C. | 4.425 × 10-12 F |
| D. | 3.425 × 10-12 F |
| Answer» D. 3.425 × 10-12 F | |
| 2. |
Find out the correct expression of the capacitance of a parallel plate capacitor where ‘A’ is the area of the plates, ‘d’ is the distance between the plates and ‘ε0’is the permittivity of the medium. |
| A. | \(\frac {A\varepsilon_0}{d}\) |
| B. | \(\frac {Ad}{\varepsilon_0}\) |
| C. | \(\frac {d\varepsilon_0}{A}\) |
| D. | Aε0d |
| Answer» B. \(\frac {Ad}{\varepsilon_0}\) | |
| 3. |
‘X’ is a widely used capacitor which consists of two large plane parallel conducting plates separated by a small distance. Identify X. |
| A. | Spherical capacitor |
| B. | Parallel plate capacitor |
| C. | Cylindrical capacitor |
| D. | Electrolytic capacitor |
| Answer» C. Cylindrical capacitor | |
| 4. |
Calculate the capacitance of the capacitor, if 1012 electrons are transferred from one conductor to another of a capacitor and a potential difference of 10 V develops between the two conductors. |
| A. | 1.6 × 10-7 F |
| B. | 160 × 10-8 F |
| C. | 16 × 10-8 F |
| D. | 1.6 × 10-8 F |
| Answer» E. | |