Determine the electric field for up to four point charges.
Charge Q
_{1}
=
C is at x =
m, y =
m.
Charge Q
_{2}
=
C is at x =
m, y =
m.
Charge Q
_{3}
=
C is at x =
m, y =
m.
Charge Q
_{4}
=
C is at x =
m, y =
m.
The electric field at x =
m, y =
m is
E
_{x}
=
C/m
|E| =
C/m
E
_{y}
=
C/m
Angle =
.