Two metal electrodes of size 2.0 cm \times 2.0 cm are spaced 1.3 mm apart and connected by wires to the terminals of a 9.0 {\rm V} battery.
A- What is the charge on each electrode?
Express your answer using two significant figures. Answer Q1= _______pC.
B- What is the potential difference between electrodes?
Express your answer using two significant figures. Answer Delta V1= ________V
C- The wires are disconnected, and insulated handles are used to pull the plates apart to a new spacing of 2.0 mm.
What is the charge on each electrode?
Express your answer using two significant figures. Answer Qf= _________pC
D- What is the potential difference between electrodes?
Express your answer using two significant figures. Answer Delta Vf=_________ V