consider a. How many electrons are needed to form a charge of Q =-D UC? (5 Points) B= 4 and D= 6 b. If you touch B nC and -D DC charges, what will be the net charge after touching them together? (5 Points) c. Consider Q1= -B US Q2- BUC, q = C UC, and L = B cm in the figure: I. Draw the Free body diagram of electric forces at point of interest (q location) on your working paper by using F1 for force due to Q1 and F2 for force due to Q2? (10 Points) II. Calculate magnitude and direction of electric force Fi? (10 Points) III. Calculate magnitude and direction of electric force F2? (10 Points) Q2 IV. What is the angle between those two forces? (5 Points) V. Calculate the resultant electric force vector including direction at the location of q? (10 Points) VI. Calculate electric field vector including direction at the location of q? (10 points) VII. What will be the direction of E1 and E2 electric fields due to Q1 and Q2 respectively? (5 points) VIII. Calculate the electric potential at the location of q? (5 Points) IX. Calculate the potential energy of the system? (5 Points)