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Unformatted text preview: lim (kl9356) Homework 5 Weathers (22202) 1 This print-out should have 12 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points On a clear, sunny day, there is a vertical electrical field of about 54 N / C pointing down over flat ground or water. What is the magnitude of the surface charge density on the ground for these conditions? Answer in units of C / m 2 . 002 (part 1 of 2) 10.0 points A conducting spherical shell having an inner radius of 2 . 6 cm and outer radius of 3 . 5 cm carries a net charge of 13 . 4 C. A conducting sphere is placed at the center of this shell having a radius of 1 . 3 cm carring a net charge of 2 . 8 C. 1 . 3 cm 2 . 6 cm , Q 2 inside 3 . 5 cm Q 2 outside 2 . 8 C 13 . 4 C P Determine the surface charge density on the inner surface of the shell. Answer in units of C / m 2 . 003 (part 2 of 2) 10.0 points Determine the surface charge density on the outer surface of the shell. Answer in units of C / m 2 ....
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