Loading…
DemoYou're viewing a demo — no data is saved
Free trialStart free trialQuiz results
IQ-26-028 · Weekly MCQ test — Electrostatics
No suspicious signals.
Flagged at 40+ points or when the focus-loss limit is exceeded.
Not reviewed yet.
| # | Question | Answer | Marks |
|---|---|---|---|
| 1 | The capacitance of a parallel-plate capacitor increases when: | D. A dielectric is placed between the plates | 2 / 2 |
| 2 | The potential gradient at a point in an electric field is equal to: | A. The electric fluxCorrect: D. The negative of the electric field intensity | 0 / 1 |
| 3 | Electric field intensity at a point is the force per unit: | A. Positive test charge | 1 / 1 |
| 4 | According to Gauss's law, the electric flux through a closed surface depends on: | C. The charge enclosed by the surface | 2 / 2 |
| 5 | The time constant of a series RC circuit is: | C. R / CCorrect: B. RC | 0 / 1 |
| 6 | One electron volt (1 eV) is equal to: | SkippedCorrect: B. 1.6 × 10⁻¹⁹ J | 0 / 1 |
| 7 | If the distance between two point charges is doubled, the Coulomb force between them becomes: | Not openedCorrect: B. One-fourth | 0 / 1 |
| 8 | What is the SI unit of electric charge? | Not openedCorrect: A. Coulomb | 0 / 1 |
Chose D — A dielectric is placed between the plates
Chose A — The electric flux
Chose A — Positive test charge
Chose C — The charge enclosed by the surface
Chose C — R / C