27 In Fig. 29-55, two long straight wires (shown in cross section) carry the currents i = 30.0 mA and iz = 40.0 mA directly out of the page. They are equal distances from the origin, where they set up a magnetic field B. To what value must current be changed in order to rotate B 20.0° clockwise? -x- Figure 29-55 Problem 27.

27 In Fig. 29-55, two long straight wires (shown in cross section) carry the currents i = 30.0 mA and iz = 40.0 mA directly out of the page. They are equal distances from the origin, where they set up a magnetic field B. To what value must current be changed in order to rotate B 20.0° clockwise? -x- Figure 29-55 Problem 27.

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

27 In Fig. 29-55, two long straight
wires (shown in cross section) carry
the currents i = 30.0 mA and iz =
40.0 mA directly out of the page.
They are equal distances from the
origin, where they set up a magnetic
field B. To what value must current
be changed in order to rotate B 20.0°
clockwise?
-x-
Figure 29-55 Problem 27.

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