Name: _______________________

Quiz 3


Ch. 18


Useful Numbers:  k=8.99x109


1)      3 charges are placed at the corners of a square with 2m sides:  -3mC at bottom left, +1mC at the bottom right, and -2mC at the top left. What is the total electric field at the top right corner of the square?





















2)       What would the force be on a -1mC charge placed at the top right corner?