Answered: cm below the center of the loop we find…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

In the image we can see a circular loop of radius R = 20 cm that conducts a current I = 4 A in an anticlockwise direction. 40 cm below the center of the loop we find a long straight wire, placed as indicated in the image.

With the given data, determine:

(a) Use the Biot-Savart law to find the magnetic field
due to the current in the loop right in the center of it. (The field must be calculated in the center of the loop)
(b) Calculate the intensity and direction of the current that must pass through the straight wire in such a way that at the center of the loop the net magnetic field is equal to zero.

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