A small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the X-y plane (so the normal to the loop points in the +z-direction). A uniform magnetic field of 0.5 T is turned on in the +x-direction. What is the magnetic flux through the loop? O a. 7.85 x 10-5 T m? O b. 1.57 x 10-4 T m2 O c. 3.14 x 10-3 T m2 O d. 0 T m2

A small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the X-y plane (so the normal to the loop points in the +z-direction). A uniform magnetic field of 0.5 T is turned on in the +x-direction. What is the magnetic flux through the loop? O a. 7.85 x 10-5 T m? O b. 1.57 x 10-4 T m2 O c. 3.14 x 10-3 T m2 O d. 0 T m2

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 73AP: A toroid with an inner radius of 20 cm and an outer radius of 22 cm is tightly wound with one layer...

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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

A small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the
X-y plane (so the normal to the loop points in the +z-direction). A uniform
magnetic field of 0.5 T is turned on in the +x-direction.
What is the magnetic flux through the loop?
a. 7.85 x 10 Tm²
b. 1.57 x 10 4 T m²
O c. 3.14 x 10 3 T m2
O d. 0 T m2

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