The magnitude of the electric field

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Homework Help Overview

The problem involves calculating the magnitude of the electric field at the center of a square with specific charges placed at its corners. The subject area pertains to electrostatics and electric fields.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss using the superposition theorem to calculate the electric field contributions from each charge separately and consider vector addition. Questions arise regarding the consideration of angles in the analysis of the electric field.

Discussion Status

Some participants have provided guidance on calculating the electric field from each charge and adding the results. There is an ongoing exploration of the implications of angles in the calculations, indicating a productive discussion without explicit consensus.

Contextual Notes

Participants are navigating the complexity of vector addition in the context of electric fields, and there may be assumptions about the setup that are not fully articulated.

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Homework Statement


Calculate the magnitude of the electric field at the center of a square 42.5cm on a side if one corner is occupied by a −38.2μC charge and the other three are occupied by −27.0μC charges.

Homework Equations

The Attempt at a Solution


E=k(q/r^2) the direction of the electric field will be towards the -38.2μC charge
 
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Superposition theorem: calculate the electric field magnitude separately for each 4 charges and then add them as vectors
 
is there is any angles considered in analyzing the electric field
 
Sorry, I don’t understand… Just calculate the four forces separately and add them. Your formula was correct
 

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