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Author Question: Rank the following five capacitors from largest to smallest according to the potential difference ... (Read 193 times)

Arii_bell

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on: Jul 28, 2018

Rank the following five capacitors from largest to smallest according to the potential difference between the plates.
   (a) a 20-F capacitor with a 4-V potential difference between its plates
   (b) a 30-F capacitor with charges of magnitude 90 C on each plate
   (c) a capacitor with charges of magnitude 80 C on its plates, differing by 2 V in potential,
   (d) a 10-F capacitor storing energy 125 J
   (e) a capacitor storing energy 250 J with a 10-V potential difference


  1.e > a > b > d > c
  2.e > d > a > b > c
  3.c > b > a > d > e
  4.b > a = c > d = e

Question 2

Two charged objects attract one another with a force F. If the charge on both objects is doubled and the distance between them is also doubled, what will be the force between them?


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mfedorka

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

2

Answer to Question 2

The force between them will be the same.


Arii_bell

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Reply #2 on: Jul 28, 2018
Thanks


mfedorka

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Reply #3 on: Jul 28, 2018
Welcome :)


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