**Transcription for Educational Website** A non-conducting disk of radius \( R = 30 \, \text{cm} \) is uniformly charged, and the electric field is measured to be 400 N/C at a distance of 1.5 m away from the center of the disk. 7. Find the charge density \( \sigma \) on the disk. - a. \( 3.65 \times 10^{-7} \, \text{C/m}^2 \) - b. \( 4.52 \times 10^{-7} \, \text{C/m}^2 \) - c. \( 5.58 \times 10^{-7} \, \text{C/m}^2 \) - d. \( 1.03 \times 10^{-7} \, \text{C/m}^2 \) 8. Find the total amount of charge in Coulomb on the disk. - a. \( 3.65 \times 10^{-7} \, \text{C} \) - b. \( 4.52 \times 10^{-7} \, \text{C} \) - c. \( 5.58 \times 10^{-7} \, \text{C} \) - d. \( 1.03 \times 10^{-7} \, \text{C} \) 9. Still referring to the above, find the electric potential at \( (0, 0, 1.5) \). - a. \( 173 \, \text{V} \) - b. \( 400 \, \text{V} \) - c. \( 612 \, \text{V} \) - d. \( 294 \, \text{V} \) - e. None of these 10. An infinitely large non-conducting surface is uniformly charged. The electric field is 400 V/m. **Diagram Explanation:** The diagram shows a side view of a disk with positive charge uniformly distributed over its surface. The disk has a radius \( R \). There is a point \( P \) at coordinates \( (0, 0, 1.5) \) above the center of the disk in the z-direction, where the electric field \( \vec
**Transcription for Educational Website** A non-conducting disk of radius \( R = 30 \, \text{cm} \) is uniformly charged, and the electric field is measured to be 400 N/C at a distance of 1.5 m away from the center of the disk. 7. Find the charge density \( \sigma \) on the disk. - a. \( 3.65 \times 10^{-7} \, \text{C/m}^2 \) - b. \( 4.52 \times 10^{-7} \, \text{C/m}^2 \) - c. \( 5.58 \times 10^{-7} \, \text{C/m}^2 \) - d. \( 1.03 \times 10^{-7} \, \text{C/m}^2 \) 8. Find the total amount of charge in Coulomb on the disk. - a. \( 3.65 \times 10^{-7} \, \text{C} \) - b. \( 4.52 \times 10^{-7} \, \text{C} \) - c. \( 5.58 \times 10^{-7} \, \text{C} \) - d. \( 1.03 \times 10^{-7} \, \text{C} \) 9. Still referring to the above, find the electric potential at \( (0, 0, 1.5) \). - a. \( 173 \, \text{V} \) - b. \( 400 \, \text{V} \) - c. \( 612 \, \text{V} \) - d. \( 294 \, \text{V} \) - e. None of these 10. An infinitely large non-conducting surface is uniformly charged. The electric field is 400 V/m. **Diagram Explanation:** The diagram shows a side view of a disk with positive charge uniformly distributed over its surface. The disk has a radius \( R \). There is a point \( P \) at coordinates \( (0, 0, 1.5) \) above the center of the disk in the z-direction, where the electric field \( \vec
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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7,8,9
Transcribed Image Text:**Transcription for Educational Website**
A non-conducting disk of radius \( R = 30 \, \text{cm} \) is uniformly charged, and the electric field is measured to be 400 N/C at a distance of 1.5 m away from the center of the disk.
7. Find the charge density \( \sigma \) on the disk.
- a. \( 3.65 \times 10^{-7} \, \text{C/m}^2 \)
- b. \( 4.52 \times 10^{-7} \, \text{C/m}^2 \)
- c. \( 5.58 \times 10^{-7} \, \text{C/m}^2 \)
- d. \( 1.03 \times 10^{-7} \, \text{C/m}^2 \)
8. Find the total amount of charge in Coulomb on the disk.
- a. \( 3.65 \times 10^{-7} \, \text{C} \)
- b. \( 4.52 \times 10^{-7} \, \text{C} \)
- c. \( 5.58 \times 10^{-7} \, \text{C} \)
- d. \( 1.03 \times 10^{-7} \, \text{C} \)
9. Still referring to the above, find the electric potential at \( (0, 0, 1.5) \).
- a. \( 173 \, \text{V} \)
- b. \( 400 \, \text{V} \)
- c. \( 612 \, \text{V} \)
- d. \( 294 \, \text{V} \)
- e. None of these
10. An infinitely large non-conducting surface is uniformly charged. The electric field is 400 V/m.
**Diagram Explanation:**
The diagram shows a side view of a disk with positive charge uniformly distributed over its surface. The disk has a radius \( R \). There is a point \( P \) at coordinates \( (0, 0, 1.5) \) above the center of the disk in the z-direction, where the electric field \( \vec
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