Yy8Fbwk80448_1210016585_jwk572

Yy8Fbwk80448_1210016585_jwk572 - 5 mm If point A is 3 8 mm...

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inclasstest 03 – KIM, JI – Due: Feb 4 2008, 1:00 pm 1 Question 1, chap -1, sect -1. part 1 of 1 1 points This is a question for showing your atten- dance. Please choose the correct answer be- low, or you will lose 25% of this weekly test. 1. This is the wrong answer. 2. This is the correct answer. correct Explanation: It is correct because the choice does not lie. Question 2, chap 25, sect 3. part 1 of 1 3 points A 4 pC (1pC = 10 - 12 C) charge is dis- tributed uniformly over the surface of a solid spherical conductor of radius 11
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Unformatted text preview: . 5 mm. If point A is 3 . 8 mm from the center of the conductor and point B is 23 mm from the center, determine the electric potential di±erence ( V A-V B ). Given : k e = 9 × 10 9 N m 2 / C 2 , Correct answer: 1 . 56522. Explanation: Let : k e = 9 × 10 9 N m 2 / C 2 , q = 4 pC = 4 × 10-12 C , r = 11 . 5 mm = 0 . 0115 m , and b = 23 mm = 0 . 023 m . Solution Δ V = k e q p 1 r-1 b P = (9 × 10 9 N m 2 / C 2 ) (4 × 10-12 C) × p 1 . 0115 m-1 . 023 m P = 1 . 56522 V ....
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