Question 1 + + + + + + ++ F +8.00 nC of charge is uniformly distributed along the top half of a thin rod of total length _ = 8.60 cm, while -8.00 nC of charge is uniformly distributed along the bottom half of the rod, as shown in the figure. What is the magnitude of the electric field at the dot, a distance r = 12.2 cm from the centre of the rod? Magnitude