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The figure below shows two charges of negligible dimensions: q1 = +40 nC and q2 = - 30 nC. The charges are 16 cm away from each other. Let's mark a point exactly halfway between the charges as a point A; another point (B) is 12 cm from q1 and 10 cm from q2 (see the figure). A B

The figure below shows two charges of negligible dimensions: q1 = +40 nC and q2 = - 30 nC. The charges are 16 cm away from each other. Let's mark a point exactly halfway between the charges as a point A; another point (B) is 12 cm from q1 and 10 cm from q2 (see the figure). A B

College Physics
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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Options for electric charge at point A are: 

  1. 70nC
  2. 10nC
  3. 5nC
  4. zero

Options for electric charge at point B are: 

  1. 10nC
  2. -10nC
  3. zero
  4. 4nC

Options for the electric potential due to the charge q1 at point A are: 

  1. -3375
  2. 4500
  3. None of the listed choices
  4. 56250
  5. 3375
  6. 9000

Options for the electric potential due to the charge q2 at point A are: 

  1. 6750
  2. None of the listed choices 
  3. -3375
  4. -42187
  5. -4500

Options for the electric potential due to the charge q1 at point B are:

  1. 25000
  2. None of the listed choices
  3. 3000
  4. 3600
  5. -4500

Options for the electric potential due to the charge q2 at point B are:

  1. -2700
  2. -27000
  3. -3000
  4. None of the listed choices 
  5. 2250

Thank you!

The figure below shows two charges of negligible dimensions: q1 = +40 nC and q2 = - 30 nC. The charges are 16 cm away from each other. Let's mark a point exactly halfway between the charges as a point A; another point (B) is 12 cm from q, and 10 cm from q2 (see the figure). A 42 B The electric charge at point A is [ Select ] The electric charge at point B is [Select] The electric potential due to the charge q1 at point A is about: [Select] V. The electric potential due to the charge q2 at point A is about: [ Select] v V. The electric potential due to the charge q1 at point B is about: [ Select] V. The electric potential due to the charge q2 at point B is about: [Select ] v V.
Transcribed Image Text:The figure below shows two charges of negligible dimensions: q1 = +40 nC and q2 = - 30 nC. The charges are 16 cm away from each other. Let's mark a point exactly halfway between the charges as a point A; another point (B) is 12 cm from q, and 10 cm from q2 (see the figure). A 42 B The electric charge at point A is [ Select ] The electric charge at point B is [Select] The electric potential due to the charge q1 at point A is about: [Select] V. The electric potential due to the charge q2 at point A is about: [ Select] v V. The electric potential due to the charge q1 at point B is about: [ Select] V. The electric potential due to the charge q2 at point B is about: [Select ] v V.
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