•• 41. Figure P26.41 is an edge view of three charged metal electrodes. Let the left electrode be the zero point of the electric potential. What are V and Eat (a) x = 0.5 cm, (b) x = 1.5 cm, and (c) x = 2.5 cm? Figure P26.41 All three have a 2.0 cm x 2.0 cm cross section. -50 nC 0 +100 nC 1 + 2 -50 nC 3 x (cm)

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Chapter1: Units, Trigonometry. And Vectors
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For this question I don't need the entire thing answered. I just need an explanation for calculating E for the first part. I know = E = surface density/Eo. I know surface density is Q / Area. What I need explained is why Q is equal to 50nC, how is that determined when the plates are aligned -50nc, +100nc, -50nc in the diagram attached.

So, I just really need to understand that first part. thanks

●●
• 41. Figure P26.41 is an edge view of three charged metal electrodes. Let the left electrode be the zero point of the
electric potential. What are V and Eat (a) x =
Figure P26.41
All three have a
2.0 cm x 2.0 cm
cross section.
-50 nC
|
+100 nC
2
-50 nC
3
: 0.5 cm, (b) x = 1.5 cm, and (c) x = 2.5 cm?
-x (cm)
Transcribed Image Text:●● • 41. Figure P26.41 is an edge view of three charged metal electrodes. Let the left electrode be the zero point of the electric potential. What are V and Eat (a) x = Figure P26.41 All three have a 2.0 cm x 2.0 cm cross section. -50 nC | +100 nC 2 -50 nC 3 : 0.5 cm, (b) x = 1.5 cm, and (c) x = 2.5 cm? -x (cm)
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