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Question

Two parallel-plate capacitors are identical except that capacitor 1 has vacuum between the plates and capacitor 2 has a

dielectric slab of dielectric constant filling the space between the plates. Each capacitor is isolated (that is, not connected

to a battery), and they store equal quantities of charge.

Part A

Compare the two capacitors based on the capacitance.

Express your answer in terms of K.

ANSWER:

C₂/C₁ =

Part B

Compare the two capacitors based on the potential difference between the plates.

Express your answer in terms of K.

ANSWER:

V₂/V₁ =

Part C

Compare the two capacitors based on the energy stored.

Express your answer in terms of K.

ANSWER:

UP/US-

Part D

Compare the two capacitors based on the electric field magnitude between the plates.

Express your answer in terms of K.

ANSWER:

E₂/E₁ =

Part E

Compare the two capacitors based on the energy density.