Name: _______________________

Quiz 3

09/22/2004

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?