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Unformatted text preview: OUTLINE OF SOLUTIONS PHYS-102 QUIZ-I Time allowed: 50 min. Notes: 1. For Prob.1 please circle the answer of your choice for each part. 2. For problems 2 and 3, your solutions must have adequate details and the answers must have proper units to get full credit. 3. Symbols in bold type are vectors. ________________________________________________________________________ Name ____________________________ Rec. sec. #__________ ________________________________________________________________________ F E = q E ; ; 1/ 4 πε = k = 9 x 10 9 Nm 2 C − 2 , ; ε 0 = 8.85 x10-12 C 2 /Nm 2 V sp = 4 π r 3 /3 S sp = 4 π r 2 λ = q/L ; σ = q/A ; ρ = q/V ____________________________________________ ___________________________ (Please read the Quiz Grading Guidelines at the end of this document, especially if you are thinking about getting your quiz regraded.) PROB. No. SCORE 1 2 3 Total Prob. 1 (3 pts each part ) ( please circle the answer of your choice for each part [I] –[IV]). [I] A dielectric sphere of radius R is placed in a uniform electric field of magnitude E, as shown. The net electric flux through the sphere is equal to: [a] zero, [b] 4 π R 2 E [c] π R 2 E [II] Two equal positive charges are situated symmetrically about origin as shown. The net E-field at point P on the y-axis will poin [a] along the positive y-axis. along the positive y-axis....
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This note was uploaded on 05/02/2011 for the course PHYS 102 taught by Professor N/a during the Spring '08 term at Drexel.
- Spring '08