At Westonci.ca, we connect you with the best answers from a community of experienced and knowledgeable individuals. Join our platform to connect with experts ready to provide accurate answers to your questions in various fields. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

Two sheets of aluminium foil have a separation of 2 mm, a capacitance of 20 pF and are charged to 12 V. The separation is now decreased by 0.2 mm with the charge held constant. By how much does the potential difference change?