Question: A parallel plate capacitor is charged to voltage V and then disconnected from the battery. Ralph and Kyla both have conflicting ideas. Which one, if
A parallel plate capacitor is charged to voltage V and then disconnected from the battery. Ralph and Kyla both have conflicting ideas. Which one, if either, is correct, and why?Ralph's Idea: "The voltage will remain the same."Kyla's Idea: "The voltage will increase if the plates are pulled apart." Neither, because the voltage will decrease since the force between the two plates decreases. Ralph, because the charge per unit area on the plates does not change. Kyla, because increasing the distance between the plates increases the capacitance. Ralph, because the maximuni voltage is determined by the battery. Kyla, because the the charge per unit area on the plates increases.
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