You have been hired to determine the internal resistance of 8.0 µF capacitors for an electronic component manufacturer. (Ideal capacitors have an infinite resistance - that is, the materials between their plates is a perfect insulator. In practice, however, the material has a very small, but nonzero, conductivity.) You cannot simply connect the capacitors to an ohm-meter, because their resistance is too large for an ohm-meter to measure. Therefore you charge the capacitors to a potential difference of 10 V with a battery, disconnect it from the battery, and measure the potential difference across the capacitor every 20 minutes with an ideal voltmeter, obtaining the graph shown above.