A charge of 462 mu C is located at the origin and a charge o

A charge of -4.62 mu C is located at the origin, and a charge of -3.08 mu C is located the y axis at 2.97014 m. At what point along the y-axis is the Electric Field zero? 12.25 m 1.635 m 1.106 m 0.806 m A charge of 12.4 mu C is at the geometric center of a cube. What is the electric flux through one of the faces? 1.185 times 10^5 Nm^2/C 3.143 times 10^5 Nm^2/C 2.334 times 10^5 Nm^2/C 12.14 times 10^5 Nm^2/C

Solution

3)   Here,   E1 = E2

   =>   4.62/y² = 3.08/(2.97014 - y)²

=>   y = 1.635 m

=> point along y axis for zero electric field =   1.635 m

4)    Electric flux through one of faces = (12.4 * 10^-6)/[6 *(8.854 * 10^-12)]

                                                            =   2.334 * 10⁵   Nm²/C