1. a) Find the net force on the +q charge in the figure shown. Draw the forces and show all calculations clearly. b) Draw the electric field around a negative charge. +3q +4g A $20 D 2. a) What is capacitance of a capacitor? b) Give one example of where a capacitor is used. C) Find the charge on each capacitor for figure 2a. C1=C2=C3 = 24pF and V = 48V. d) Find V2 in figure 2a). e) In figure 2b) find q if C = 12pF and V =5V. f) What size capacitor and how would you connect it in the circuit of 2b) to double the charge in the circuit? Figure 2 a) and b) capacitors in series and parallel 12th Physics V (2 ) ( b)