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Electric Field Practice Questions
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The following physics revision questions are provided in support of the physics tutorial on Electric Field. In addition to this tutorial, we also provide revision notes, a video tutorial, revision questions on this page (which allow you to check your understanding of the topic) and calculators which provide full, step by step calculations for each of the formula in the Electric Field tutorials. The Electric Field calculators are particularly useful for ensuring your step-by-step calculations are correct as well as ensuring your final result is accurate.
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| Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
|---|---|---|---|---|---|---|
| 14.3 | Electric Field |
Physics Revision Questions for Electric Field
1) What point charge can produce an electric field of -500 N/C at a distance of 3 m from it?
- -5 × 10-5 C
- -5 × 10-6 C
- -5 × 10-7 C
- 5 × 10-7 C
Correct Answer: C
2) Two charges Q1 = 400 nC and Q2 = -1200 nC are placed at a distance of 3 m from each other. What is the magnitude and direction of the net electric field at the point P which is 1 m away from the 400 nC charge? (1 nC = 10-9 C)
- 3600 N/C due right
- 900 N/C due left
- 900 N/C due right
- 6300 N/C due right
Correct Answer: D
3) Two concentric spherical shells of radii R and 2R are shown in the figure.
What is the magnitude of the net electric field produced by the two shells at the point A which is at distance 3/2R from the surface of the larger shell? The large sphere has a charge of +3Q and the small sphere has a charge of +Q.
- 5kQ/2R2
- 12kQ/25R2
- 12kQ/5R2
- 6kQ/25R2
Correct Answer: B
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- Check your calculations for Electrostatics questions with our excellent Electrostatics calculators which contain full equations and calculations clearly displayed line by line. See the Electrostatics Calculators by iCalculator™ below.
- Continuing learning electrostatics - read our next physics tutorial: Electric Potential Energy
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