Electric field due to a point charges

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Discussion Overview

The discussion revolves around a physics problem involving electric fields generated by point charges. Specifically, it addresses how to determine the necessary charge at a specific point to achieve a zero electric field at another point in a two-dimensional coordinate system. The context includes homework-related inquiries and the expectations for problem-solving approaches in educational settings.

Discussion Character

  • Homework-related
  • Debate/contested

Main Points Raised

  • One participant presents a problem involving two charges and asks what charge is needed at a midpoint to nullify the electric field at a specified location.
  • Several participants emphasize the importance of following forum guidelines, suggesting that the original poster should post in the homework help section and provide their attempt at solving the problem.
  • Some participants express frustration at the lack of initial effort shown by the original poster, indicating that they cannot assist without seeing some thought process or attempt.

Areas of Agreement / Disagreement

There is a general agreement among participants that the original poster needs to demonstrate some effort in solving the problem. However, there is disagreement on the willingness to provide help without that effort being shown.

Contextual Notes

Participants reference specific guidelines for posting in the homework help section, indicating that there are expectations for how questions should be framed and what information should be provided.

joerylee palmerola
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Suppose a charge q is placed at point x=0, y=0. A second charge q is placed at point x=8.0m, y=0. What charge must be placed at the point x=4.0m, y=0 in order that the field at the point x=4.0m, y=3.0m be zero?
 
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Welcome to PF!

Post this question in the homework help section and fill up the three part template provided there. You are supposed to show your attempt.
 
cnh1995 said:
Welcome to PF!

Post this question in the homework help section and fill up the three part template provided there. You are supposed to show your attempt.
I don't have yet my attempt solution . Our teacher gives this problem without teaching . will you please help me ?
 
You need to show at least some thoughts or ideas about the solution, even if you can't proceed very far with it.
 

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