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

question 16

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 is true.

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Definitions:

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