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The magnitude of the electric field

  • Thread starter flex bro
  • Start date
  • #1
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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
 

Answers and Replies

  • #2
115
8
Superposition theorem: calculate the electric field magnitude separately for each 4 charges and then add them as vectors
 
  • #3
2
0
is there is any angles considered in analyzing the electric field
 
  • #4
115
8
Sorry, I don’t understand… Just calculate the four forces separately and add them. Your formula was correct
 

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