EC-3 Given the circuit shown to the right, which has reached electrostatic equilibrium, a) Find CE, the single capacitance equivalent to the circuit. b) Find the charge on one plate of each of the original capacitors. c) Find the change in potential (sign and magnitude) in going from point 'a' to point 'b' in the original circuit. C₁=2μf C₂=4μf Vbat 18.0V C3-6μf -18.ov b V bat C4-8uf equivalent circuit CE

EC-3 Given the circuit shown to the right, which has reached electrostatic equilibrium, a) Find CE, the single capacitance equivalent to the circuit. b) Find the charge on one plate of each of the original capacitors. c) Find the change in potential (sign and magnitude) in going from point 'a' to point 'b' in the original circuit. C₁=2μf C₂=4μf Vbat 18.0V C3-6μf -18.ov b V bat C4-8uf equivalent circuit CE