inclasstest 03 - Version 124/ABDDA inclasstest 03 Turner...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Version 124/ABDDA inclasstest 03 Turner (59070) 1 This print-out should have 2 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Consider the setup shown in the figure be- low, where the arc is a semicircle with radius of 102 cm. The total chargeon the arc is- 38 . 8 C, and distributed uniformly on the semicircle. The Coloumb constant is 8 . 98755 10 9 N m 2 / C 2 . x y------------------ r x y I II III IV B A O Determine the magnitude of the electric field at O . 1. 976432.0 2. 371869.0 3. 628695.0 4. 2321950.0 5. 519869.0 6. 395715.0 7. 213380.0 8. 713156.0 9. 582775.0 10. 112174.0 Correct answer: 2 . 1338 10 5 N / C. Explanation: Let : q =- 38 . 8 C , r = 102 cm , and k = 8 . 98755 10 9 N m 2 / C 2 . x y------------------ r x y I II III IV B A O E By symmetry of the semicircle, the y- component of the electric field at the center is E y = 0 ....
View Full Document

This note was uploaded on 01/21/2010 for the course PHY 303L taught by Professor Turner during the Spring '08 term at University of Texas at Austin.

Page1 / 2

inclasstest 03 - Version 124/ABDDA inclasstest 03 Turner...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online