Two long parallel wires each carry a current of 7.9 A in opposite directions. The two wires are separated by 13 cm. What is the magnitude of the magnetic field ( in uT) at the midpoint between the wires? Select one:

Two long parallel wires each carry a current of 7.9 A in opposite directions. The two wires are separated by 13 cm. What is the magnitude of the magnetic field ( in uT) at the midpoint between the wires? Select one:

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Magnetic Forces And Magnetic Fields

Section: Chapter Questions

Problem 14OQ

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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

Two long parallel wires each carry a current of 7.9 A in opposite directions. The two wires are separated by 13 cm. What is
the magnitude of the magnetic field (in uT) at the midpoint between the wires?
Select one:
O a. 97.2
Ob. 48.6
Oc.0
Od. 21.3
Oe. 24.3
Next page
age
l lis s

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