a) A current path shaped as shown in Figure produces a magnetic field at P, the center of the arc. If the arc subtends an angle of 0=30.0° and the radius of the arc is R=0.400 m, what are the magnitude and direction of the field produced at P if the current is I=2.00 A? 30.0° b) A loop of a full circle of radius R=0.400 m carries a current of l=2.00 A. What is the magnitude of the magnetic field at its center? Hint: Magnitude of the magnetic field at point P (center of the arc) due to circular arc of radius R carrying a current of I and subtending an angle of 0 is: B=- -e (0 is in terms of radians, Ho= 4M x 107N.A²) 4 AR

a) A current path shaped as shown in Figure produces a magnetic field at P, the center of the arc. If the arc subtends an angle of 0=30.0° and the radius of the arc is R=0.400 m, what are the magnitude and direction of the field produced at P if the current is I=2.00 A? 30.0° b) A loop of a full circle of radius R=0.400 m carries a current of l=2.00 A. What is the magnitude of the magnetic field at its center? Hint: Magnitude of the magnetic field at point P (center of the arc) due to circular arc of radius R carrying a current of I and subtending an angle of 0 is: B=- -e (0 is in terms of radians, Ho= 4M x 107N.A²) 4 AR

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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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

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a) A current path shaped as shown in Figure
produces a magnetic field at P, the center of the arc. If the
arc subtends an angle of 0=30.0° and the radius of the arc
is R=0.400 m, what are the magnitude and direction of the
field produced at P if the current is I=2.00 A?
30.0°
b) A loop of a full circle of radius R=0.400 m carries a
current of l=2.00 A. What is the magnitude of the magnetic
field at its center?
Hint: Magnitude of the magnetic field at point P (center of the arc) due to circular arc of
radius R carrying a current of I and subtending an angle of 0 is:
B=-
-e (0 is in terms of radians, Ho= 4M x 107N.A²)
4 AR

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