Homework 7 - homework 07 KANUNGO, ANIL 1 Latest unpenalized...

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Unformatted text preview: homework 07 KANUNGO, ANIL 1 Latest unpenalized work: Sep 17 2007 Mon- day 04:00 (after this date you can not make a perfect score). Work cutoff: Sep 18 2007, 4:00 am. Question 1, chap 24, sect 3. part 1 of 4 10 points A long coaxial cable consists of an inner cylindrical conductor with radius R 1 and an outer cylindrical conductor shell with inner radius R 2 and outer radius R 3 as shown. The cable extends out perpendicular to the plane shown. The charge per unit length along the cable on the inner conductor is and the corresponding charge per unit length on the outer conductor is (same magnitudes but with opposite signs) and > 0. Q R 1 R 2 R 3 b Q Find the magnitude of the electric field at the point a distance r 1 from the axis of the inner conductor, where R 1 < r 1 < R 2 . 1. E = 2 r 1 2. E = R 1 3 r 1 2 3. E = 0 4. E = 2 R 1 5. E = 3 r 1 6. E = R 1 4 r 1 2 7. None of these. 8. E = 2 r 1 9. E = 2 3 r 1 10. E = 2 R 1 4 r 1 2 Question 2, chap 24, sect 3. part 2 of 4 10 points The electric field vector points 1. in the negative r direction. 2. in the positive r direction. Question 3, chap 24, sect 3. part 3 of 4 10 points Find the magnitude of the electric field at the point a distance r 2 from the axis of the inner conductor, where R 3 < r 2 . 1. E = 2 r 2 2. E = 2 R 1 4 r 2 2 3. E = 3 r 2 4. None of these. 5. E = 2 3 r 2 6. E = R 1 4 r 2 2 7. E = 2 R 1 8. E = R 1 3 r 2 2 9. E = 0 10. E = 2 r 2 Question 4, chap 24, sect 3....
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Homework 7 - homework 07 KANUNGO, ANIL 1 Latest unpenalized...

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