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Quiz2solutions

Quiz2solutions - Quiz#2 Solutions 10 am Section(Section A...

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Quiz #2 Solutions 10 am Section (Section A) Version Version Version Version A B C D 1 D A C C 2 C C C B 3 B A A D 4 D A B B 5 C E C B 6 B E C D 11 am Section (Section B) Version Version Version Version A B C D 1 D D B A 2 D B B D 3 C D B A 4 B D D A 5 E B D A 6 E A C C Solutions for version A of each quiz are provided below. Any additional questions should be directed to: [email protected] (Bryan) OR [email protected] (Jason)

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1. The flux through a surface is equal to the dot product of the Electric field with an area element normal to the surface. A surface parallel to the yz-plane has a normal in the x-direction, so the flux is due to only the i-hat component of the E- field. 2. Draw a Gaussian surface within the middle conductor. The electric field inside a conductor is zero, so the flux across this surface must be zero. By Gauss’s Law, this means that the charge enclosed by that surface must be zero. The charge enclosed by this surface is the charge from the inner sphere, Q, and whatever charge is on the inner surface of the middle sphere. For this sum to be zero, the
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