3. In the following figure, a current 1 = 10 amps is set up in a long hair-pin conductor formed by bendin a wire into a semicirele of radius R = 5.0 mm. Point b is midway between the straight sections and so distant from the semicirele that each straight section can be approximated as being an infinite wire, What are the (a) magnitude and (b) direction (into or out of the page) of B at point "a" center of semi-circle. (c) What are the (a) magnitude and (b) direction (into or out of the page) of B at point "b" between the infinite wires. b

3. In the following figure, a current 1 = 10 amps is set up in a long hair-pin conductor formed by bendin a wire into a semicirele of radius R = 5.0 mm. Point b is midway between the straight sections and so distant from the semicirele that each straight section can be approximated as being an infinite wire, What are the (a) magnitude and (b) direction (into or out of the page) of B at point "a" center of semi-circle. (c) What are the (a) magnitude and (b) direction (into or out of the page) of B at point "b" between the infinite wires. b

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter30: Sources Of The Magnetic Field

Section: Chapter Questions

Problem 30.4CQ: A hollow copper tube carries a current along its length. Why is B = 0 inside the tube? Is B nonzero...

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