A Parallel Plate Capacitor Is Connected to a Battery and Charged

question 52

Multiple Choice

A parallel plate capacitor is connected to a battery and charged to voltage V. Leah says that the charge on the plates will decrease if the distance between the plates is increased while they are still connected to the battery. Gertie says that the charge will remain the same. Which one, if either, is correct, and why?

• A) Gertie, because the maximum voltage is determined by the battery.
• B) Gertie, because the capacitance of the capacitor does not change.
• C) Leah, because the capacitance decreases when the plate separation is increased.
• D) Leah, because the capacitance increases when the plate separation is increased.
• E) Neither, because the charge increases when the plate separation is increased.

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Definitions:

Periodic Inventory System

An inventory accounting system where updates to inventory levels are made at specific intervals, not after each transaction.

LIFO Method

An inventory valuation method that stands for "Last In, First Out," assuming that the most recently produced items are sold first.

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The immediate financial costs tied to the manufacture of goods a company sells, including labor and materials.

Merchandise Inventory

Goods or products that a company holds for the purpose of selling to customers in the ordinary course of business.