-2₁ Remember that the sign of the potential difference R₁ << R₂ important. (a) Find the potential difference V₁ V₂. Point 1 is at the center of the plastic sphere, and point 2 is just outside the sphere. volts (b) Find the potential difference V₂ - V3. Point 2 is just below the sphere, and point 3 is right beside the positive glass disk. volts -Q₂ A thin spherical shell made of plastic carries a uniformly distributed negative charge -5e-10 coulombs (indicated as -Q₁ in the diagram). Two large thin disks made of glass carry uniformly distributed positive and negative charges 1.1e-05 coulombs and -1.1e-05 coulombs (indicated as +Q₂ and -Q₂ in the figure). The radius R₁ of the plastic spherical shell is 7 mm, and the radius R₂ of the glass disks is 4 meters. The distance d from the center of the spherical shell to the positive disk is 18 mm. +Q₂ -P R₂ (not to scale)
-2₁ Remember that the sign of the potential difference R₁ << R₂ important. (a) Find the potential difference V₁ V₂. Point 1 is at the center of the plastic sphere, and point 2 is just outside the sphere. volts (b) Find the potential difference V₂ - V3. Point 2 is just below the sphere, and point 3 is right beside the positive glass disk. volts -Q₂ A thin spherical shell made of plastic carries a uniformly distributed negative charge -5e-10 coulombs (indicated as -Q₁ in the diagram). Two large thin disks made of glass carry uniformly distributed positive and negative charges 1.1e-05 coulombs and -1.1e-05 coulombs (indicated as +Q₂ and -Q₂ in the figure). The radius R₁ of the plastic spherical shell is 7 mm, and the radius R₂ of the glass disks is 4 meters. The distance d from the center of the spherical shell to the positive disk is 18 mm. +Q₂ -P R₂ (not to scale)
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Transcribed Image Text:3.
-Q₁
Remember that the sign of the potential difference is important.
R₁ << R₂
-Q₂
(a) Find the potential difference V₁ - V₂. Point 1 is at the center of the plastic sphere, and point 2 is just outside the sphere.
volts
(b) Find the potential difference V₂ - V3. Point 2 is just below the sphere, and point 3 is right beside the positive glass disk.
volts
+Q₂
R₂ (not to scale)
A thin spherical shell made of plastic carries a uniformly distributed negative charge -5e-10 coulombs (indicated as -Q₁ in the diagram). Two large thin disks made of glass carry uniformly distributed positive and negative charges 1.1e-05
coulombs and -1.1e-05 coulombs (indicated as +Q2 and -Q2 in the figure). The radius R₁ of the plastic spherical shell is 7 mm, and the radius R₂ of the glass disks is 4 meters. The distance d from the center of the spherical shell to the
positive disk is 18 mm.
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