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

[stock]

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

[stock]

Excellent

[patma1981]

Great answer, keep it coming