If Q = 80 nC, a = 3.0 m, and b = 4.0 m in the figure, what is the ...

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If Q = 80 nC, a = 3.0 m, and b = 4.0 m in the figure, what is the magnitude of the electric field at point P?
 
   

   
  a.
  45 N/C
   
  b.
  70 N/C
   
  c.
  29 N/C
   
  d.
  47 N/C
   
  e.
  92 N/C

Question 2

If Q = 16 nC, a = 3.0 m, and b = 4.0 m, what is the magnitude of the electric field at point P?
 
   

   
  a.
  33 N/C
   
  b.
  31 N/C
   
  c.
  24 N/C
   
  d.
  19 N/C
   
  e.
  13 N/C

[Beatricemm]

Answer to Question 1

d

Answer to Question 2

c

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Gracias!

[mochi09]

Excellent