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Author Question: A filament running along the x axis from the origin to x = 80.0 cm carries electric charge with ... (Read 94 times)

rachel9

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on: Jul 28, 2018
A filament running along the x axis from the origin to x = 80.0 cm carries electric charge with uniform density. At the point P with coordinates (x = 80.0 cm, y = 80.0 cm), this filament creates electric potential 100 V. Now we add another filament along the y axis, running from the origin to y = 80.0 cm, carrying the same amount of charge with the same uniform density. At the same point P, the pair of filaments creates potential:
  1.greater than 200 V.
  2.200 V.
  3.100 V.
  4.between 0 and 200 V.
  5.0.

Question 2

Under what conditions will a converging (convex) lens produce a real image?


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beccamahon

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

2

Answer to Question 2

A converging lens forms a real image when the object distance is greater than the
focal length.


rachel9

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


beccamahon

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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