Week 3 Quiz
Enter your last name starting with a capital letter (eg. Urminsky)
Which of the following objects are examples of closed surfaces? (select all that apply)
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A sphere (R = 1.0 m) is placed in an uniform electric field 5.0 N/C in the positive x direction. The electric flux through the sphere is
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An electric dipole consists of a positive charge of 5.32 nC and a negative charge of -5.32 nC separated by a distance of 1.34 micro-meters. A sphere of radius 4.22 micro-meters surrounds the dipole. What is the electric flux through the sphere, and what would the flux be if the radius of the sphere is increased by a factor of 2?
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