Homework, electric field strength at centre of a square

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SUMMARY

The discussion focuses on calculating the electric field strength and potential at the center of a square formed by four point charges: +5µC, +3µC, -4µC, and +2µC, positioned at the corners of a square with a side length of 2m. The relevant equations provided include Coulomb's Law (F=1/4π * Q1Q2/r²) and the electric field equation (E= Q/4π * r²). Participants are encouraged to apply these equations and visualize the problem through diagrams to facilitate understanding and solution development.

PREREQUISITES
  • Understanding of Coulomb's Law
  • Knowledge of electric field concepts
  • Ability to perform vector addition of forces
  • Familiarity with basic geometry of squares
NEXT STEPS
  • Calculate the net electric field at the center using vector addition of individual fields from each charge.
  • Explore the concept of electric potential and how it differs from electric field strength.
  • Study the effects of charge configuration on electric field patterns.
  • Learn about the superposition principle in electrostatics.
USEFUL FOR

Students studying physics, particularly those focusing on electrostatics, as well as educators looking for practical examples of electric field calculations.

JR9
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Homework Statement


4 charges of +5µC, +3µC, -4µC and +2µC form the 4 points of a square of side length 2m. Calculate the field strength and potential at the centre of the square.

Homework Equations


F=1/4π[PLAIN]http://upload.wikimedia.org/math/d/3/c/d3c305fc416b971cd6d284564e51bf85.png[SUB]0[/SUB] X Q1Q2/r2
E= Q/4π[PLAIN]http://upload.wikimedia.org/math/d/3/c/d3c305fc416b971cd6d284564e51bf85.png[SUB]0[/SUB] r2

The Attempt at a Solution


?
 
Last edited by a moderator:
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JR9 said:

Homework Statement


4 charges of +5µC, +3µC, -4µC and +2µC form the 4 points of a square of side length 2m. Calculate the field strength and potential at the centre of the square.

Homework Equations


F=1/4π[PLAIN]http://upload.wikimedia.org/math/d/3/c/d3c305fc416b971cd6d284564e51bf85.png[SUB]0[/SUB] X Q1Q2/r2
E= Q/4π[PLAIN]http://upload.wikimedia.org/math/d/3/c/d3c305fc416b971cd6d284564e51bf85.png[SUB]0[/SUB] r2

The Attempt at a Solution


?

Welcome to the PF. Keep going! Use those equations and draw a figure... :-)
 
Last edited by a moderator:

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