The figure below is a cross-sectional view of a coaxial cable. The center conductor is surrounded by a rubber layer, an outer conductor, and another rubber layer. In a particular application, the current in the inner conductor is I, = 1.16 A out of the page and the current in the outer conductor is I, = 2.90 A into the page. Assuming the distance d = 1.00 mm, answer the following. 12 d (a) Determine the magnitude and direction of the magnetic field at point a. 2.32e-4 magnitude If you construct an imaginary circle of radius d passing through point a, how much current passes through this circle? UT direction ---Select--- (b) Determine the magnitude and direction of the magnetic field at point b. 1.16e-4 magnitude You can approach this problem by finding the field produced by current I, and the field produced by I, and then adding them vectorially. HT direction ---Select-

The figure below is a cross-sectional view of a coaxial cable. The center conductor is surrounded by a rubber layer, an outer conductor, and another rubber layer. In a particular application, the current in the inner conductor is I, = 1.16 A out of the page and the current in the outer conductor is I, = 2.90 A into the page. Assuming the distance d = 1.00 mm, answer the following. 12 d (a) Determine the magnitude and direction of the magnetic field at point a. 2.32e-4 magnitude If you construct an imaginary circle of radius d passing through point a, how much current passes through this circle? UT direction ---Select--- (b) Determine the magnitude and direction of the magnetic field at point b. 1.16e-4 magnitude You can approach this problem by finding the field produced by current I, and the field produced by I, and then adding them vectorially. HT direction ---Select-

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 5RQ: What are interpoles, and what is their purpose?

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Concept explainers

HVDC

HVDC stands for high voltage direct current in the electric power transmission system. The high voltage direct current system uses direct current (DC) for the transmission of electrical power through transmission lines in contrast with the alternating current that is the AC system. The HVDC is used to transmit bulk power point-to-point through long distances transmission lines. Power is rapidly transferred because the efficiency of transmission lines is greatly increased over long distances due to HVDC lines.

Question

The figure below is a cross-sectional view of a coaxial cable. The center conductor is surrounded by a rubber layer, an outer conductor, and another rubber layer. In a particular application, the current
in the inner conductor is I, = 1.16 A out of the page and the current in the outer conductor is I, = 2.90 A into the page. Assuming the distanced = 1.00 mm, answer the following.
d
(a) Determine the magnitude and direction of the magnetic field at point a.
2.32e-4
magnitude
If you construct an imaginary circle of radius d passing through point a, how much current passes through this circle? UT
direction
---Select---
(b) Determine the magnitude and direction of the magnetic field at point b.
1.16e-4
magnitude
You can approach this problem by finding the field produced by current I, and the field produced by I, and then adding them vectorially. µT
direction
---Select---

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