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Author Question: Two parallel-plate capacitors have the same plate area, and the gap between the plates is filled ... (Read 90 times)

viki

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  • Posts: 525
on: Jul 28, 2018
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 6 . The gap in capacitor A is three times that in capacitor B. What is the ratio of the capacitance of A to B?
 a. 1/3
  c. 3
  b. The ratio is not given.
  d. 18

Question 2

Starting from rest, a wheel undergoes constant angular acceleration for a period of time T. At which of the following times does the average angular acceleration equal the instantaneous angular acceleration?
 a. 0.50 T
  c. 0.71 T
  b. 0.67 T
  d. all of the above


owenfalvey

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


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