A long conductor that carries current I has a semicircular bend as shown in the figure. Next to it in distance a there is another parallel straight conductor which originally carries no current. (a) Find the magnitude and direction of the magnetic field in the point P. (b) Now a current is turned on in the straight conductor such that the magnetic field in the point P vanishes. What is the magnitude and direction of the current in the straight conductor?

A long conductor that carries current I has a semicircular bend as shown in the figure. Next to it in distance a there is another parallel straight conductor which originally carries no current. (a) Find the magnitude and direction of the magnetic field in the point P. (b) Now a current is turned on in the straight conductor such that the magnetic field in the point P vanishes. What is the magnitude and direction of the current in the straight conductor?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 21P: Two long wires, one of which has a semicircular tend of radius R, are positioned as shown in the...

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