Electric field due to a point charges

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SUMMARY

The discussion centers on calculating the charge required at the point (4.0m, 0) to ensure that the electric field at (4.0m, 3.0m) is zero, given two point charges, each of charge q, located at (0, 0) and (8.0m, 0). Participants emphasize the necessity for students to demonstrate their attempts at solving the problem before seeking help, adhering to the guidelines of the Physics Forums. This approach fosters a deeper understanding of electric fields and charge interactions.

PREREQUISITES
  • Understanding of electric fields and point charges
  • Familiarity with Coulomb's Law
  • Basic knowledge of vector addition in physics
  • Ability to apply the superposition principle in electrostatics
NEXT STEPS
  • Study the principles of electric field calculations for point charges
  • Learn about the superposition principle in electrostatics
  • Explore Coulomb's Law and its applications in electric field problems
  • Practice solving problems involving multiple charges and their resultant electric fields
USEFUL FOR

This discussion is beneficial for students studying electrostatics, particularly those preparing for exams or assignments involving electric fields and point charges. It is also useful for educators seeking to guide students in problem-solving techniques in physics.

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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