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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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