9. What is the expression for the electric field due to the ring in the limit that the point Pis very far away from the ring (z > R) ? How does the expression you found compare with the electric field of a point charge?
9. What is the expression for the electric field due to the ring in the limit that the point Pis very far away from the ring (z > R) ? How does the expression you found compare with the electric field of a point charge?
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.22P
Related questions
Question
![8. Check with your textbook that your final answer is correct. Then make a plot of the
electric field magnitude E(z) as a function of z for z > 0.
9. What is the expression for the electric field due to the ring in the limit that the point
P is very far away from the ring (z » R) ? How does the expression you found
compare with the electric field of a point charge?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1606b766-bfa8-4083-9557-a4bb20db7c66%2Fefc99ab8-d793-4cc2-8ff0-65a46a1bb1d6%2Fxsov3is_processed.jpeg&w=3840&q=75)
Transcribed Image Text:8. Check with your textbook that your final answer is correct. Then make a plot of the
electric field magnitude E(z) as a function of z for z > 0.
9. What is the expression for the electric field due to the ring in the limit that the point
P is very far away from the ring (z » R) ? How does the expression you found
compare with the electric field of a point charge?
![PHY E222
6. Use Pythagoras' theorem and trigonometry to make sure your answer to the
previous part is in terms of: z, R, dq and €, only.
7. Integrate appropriately your expression in part 6. to add up the effect of all the dq
elements of charge on the ring. Your final expression should be in terms of: z, R, Q
and e, only.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1606b766-bfa8-4083-9557-a4bb20db7c66%2Fefc99ab8-d793-4cc2-8ff0-65a46a1bb1d6%2Fp479b2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:PHY E222
6. Use Pythagoras' theorem and trigonometry to make sure your answer to the
previous part is in terms of: z, R, dq and €, only.
7. Integrate appropriately your expression in part 6. to add up the effect of all the dq
elements of charge on the ring. Your final expression should be in terms of: z, R, Q
and e, only.
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