I need only the last 4 questions for C thank you !!!

A=23. B=33. C=133 a. How many electrons are needed to form a charge of-B uC? (5 Points) b. If you touch B nC and -C nC charges, what will be the net charge after touching them together? (5 Points) c. Consider Q1 = B UC, Q2= B UC, q = C UC, and x=5.0 cm in the figure of right triangle: 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) >q II. Calculate magnitude and direction of electric force F1? (10 Points) III. Calculate magnitude and direction of electric force F2? (10 Points) 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) d. A battery of 12 V is connected across capacitors of capacitances C1=C2 = C3 =C4 =C7= B HF, Cs = Co= HF. i. What is the equivalent capacitance Ceq of the capacitors, you should show your work by simplifying your circuit part by part and by saying which ones are serially and parallelly connected? (10 Points) 12 V ii. Calculate the charge O stored in the circuit? (5 Points) iii. Calculate the total energy stored in the capacitor? (5 Points)