Assignment:
1) Three equal charges of amount Q are placed at the vertices of a square of side a as illustrated at the right. Determine:
a) the total electric field (both magnitude and direction) produced by the three charges at point A. Make sure to draw electric field vectors and its components on the figure
b) the total electric potential produced by the three charges at point A
c) the Coulomb force at point A (both magnitude and direction) if there is a charge -Q placed at A
d) given the value of Q= 9.50 nC, a is 6.00 cm, find numerical values of electric field and force.
