What is the magnitude (in N/C) and direction of an electric field that exerts a 2 x 10- 5 N upward force on a -3.9 C charge? 1C = 10-6 c Indicate direction with a positive or a negative value. Keep in mind that a positive vector is directed upwards and a negative vector is directed downwards on the y axis. On the x axis, a positive vector is directed to the right and a negative vector is directed to the left. Your answer should be a positive or a negative number with two decimal places, do not include the unit.