Question

A homemade capacitor is assembled by placing two 9 in pie pans 8 cm apart and connecting them to the opposite terminals of a 9 V battery. (a) Estimate the capacitance. (b) Estimate the charge on each plate. (c) Estimate the electric field halfway between the plates. (d) Estimate the work done by the battery to charge the plates. Here are the possible solutions. 6.05, 7.26, 9.08, 12.1, 46.7, 54.5, 65.4, 81.7, 150, 180, 210, 225, 245, 294, 300, 490.

Answer 1