An Air-Filled Parallel-Plate Capacitor Is Connected to a Battery and Allowed

question 19

Multiple Choice

An air-filled parallel-plate capacitor is connected to a battery and allowed to charge up.Now a slab of dielectric material is placed between the plates of the capacitor while the capacitor is still connected to the battery.After this is done,we find that

• A) the energy stored in the capacitor had decreased.
• B) the voltage across the capacitor had increased.
• C) the charge on the capacitor had increased.
• D) the charge on the capacitor had not changed.
• E) None of these choices are true.

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Definitions:

Balance Sheet

A financial statement summarizing a company's assets, liabilities, and equity at a specific point in time.

Cost Of The Resource

The total financial investment required to acquire, maintain, and operate a resource over its useful life.

Depletion

The allocation of the cost of natural resources over their useful life, reflecting the consumption of the resource.

Metal Ores

Naturally occurring minerals from which metals can be extracted economically.