Two Parallel-Plate Capacitors Have the Same Plate Area,and the Gap

question 4

Multiple Choice

Two parallel-plate capacitors have the same plate area,and the gap between the plates is filled with a dielectric with a dielectric constant equal to 8.The gap in capacitor A is one half that in Capacitor B.What is the ratio of the capacitance of A to B?

• A)4
• B)1
• C)1/4
• D)8
• E)​The ratio is not given.

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