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(WILL RATE LIFESAVER!!!!) I need help with number 3. Thank you so much!!!!

gap D area A Vo Figure : Parallel plate capacitor has plates of area A and separation D 1. Logistics: Print-out this sheet and use it as the first page. Staple all your online write-up. 2. (10 pts) Scenario A: Figure above is connected to the battery with potential difference Vo. Ignore fringe effects. (a) (5pts) Derive the formula for capacitance for the parallel-plate configuration (b) (5pts) Find the capacitance if A , D , and Vo 10V. 3. (15 pts) Scenario B: After scenario A, it is disconnected and the plates are separated by external force, keeping the charges constant, until the separation is 2D. Express the answers symbolically using some or all of the following symbols: A, D, ed), and Vo. (a) (5 pts) Write the expression for the potential difference (b) (5 pts) Write the expression for the initial and final stored energy in the capacitor. (c) (5 pts) Write the expression for the work required by the external force to move the plates from D to 2D Thats all!

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