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# f06x1aanw - NAME PHYS-1200 PHYSICS II QUIZ 1 SOLUTIONS PART...

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NAME PHYS-1200 PHYSICS II QUIZ 1 SEPTEMBER 27, 2006 SOLUTIONS PART A. 1. C 6. D 2. D 7. D 3. B 8. E 4. B 5. A PART B. 1. a) For any Gaussian surface that encloses charge q : 0 ε q A d E = b) One half of the flux goes upward through the pyramid, and one quarter of that goes through the shaded face. Then, 0 2 1 4 1 ε q A d E = 0 8 ε q A d E = c) INCREASE The charge is closer to the face, so the electric field will be stronger there, and there will be more flux.. 2. The figure is below. The reasons for the results are as follows: a) According to the right hand rule, at point O the wire on the left produces a field that points upward, and the wire on the right produces a field that points downward. Since point O is closer to the wire on the left, the upward field is larger and the resultant field points upward. b) According to the right hand rule, at point P the wire on the left produces a field that

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f06x1aanw - NAME PHYS-1200 PHYSICS II QUIZ 1 SOLUTIONS PART...

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