pq02ans - -19 C. F/m 10 8.85 C 10 6 . 1 12-19 -= = = - q A...

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PHYS-1200 PHYSICS II SPRING 2005 Post Quiz 2 Name____________ ANSWERS _______________ Consider an electron that sits at a point in space. a) What shape of Gaussian surface will be the most useful in finding the electric field due to the electron and the electric flux through the surface? (Circle the correct answer.) Cube Sphere Cylinder Duck Circle b) What will be the electric flux through a sphere of radius 10 cm if the electron is placed at the center of the sphere? The charge on an electron is –1.6 ×10
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Unformatted text preview: -19 C. F/m 10 8.85 C 10 6 . 1 12-19 -= = = - q A d E E E = 1.81 10-8 Cm/F (or Vm) units c) What will be the electric flux through a sphere of radius 10 cm if the electron is placed 15 cm from the center of the sphere? The electron is no longer inside the sphere, so no charge is enclosed, and the flux is zero. E = 0 units...
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