A parallel-plate capacitor filled with air carries a charge Q. The battery is disconnected, and a...
A parallel-plate capacitor filled with air carries a charge Q. The battery is disconnected, and a slab of material with dielectric constant k = 2 is inserted between the plates. Which of the following statements is correct?
The voltage across the capacitor decreases by a factor of 2.
The voltage across the capacitor is doubled.
The electric field is doubled.
The charge on the plates decreases by a factor of 2.
The charge on the plates is doubled.
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A parallel-plate capacitor filled with air carries a charge
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Question 4 1 pts A parallel-plate capacitor of capacitance C has the area of plates A and distance between plates d. Capacitor is connected to the battery of voltage V, fully charged and then disconnected. A slab of dielectric material with dielectric constant 4 is then inserted into capacitor, completely filling region between plates. Electric field between plates of capacitor: decreases twice stays the same increases twice decreases 4 times increases 4 times
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