The toroid with tightly wound 100 turns of wire is shown below, each carrying a current I = 3 A. If a = 12 cm and b = 15 cm, the magnetic field at r = 18 cm, due to the current in this toroid, is (µo = 4 x 10-7 N/A²) Ο 333 μ. Ο 500 μ. zero Ο 400 μ. O 600

The toroid with tightly wound 100 turns of wire is shown below, each carrying a current I = 3 A. If a = 12 cm and b = 15 cm, the magnetic field at r = 18 cm, due to the current in this toroid, is (µo = 4 x 10-7 N/A²) Ο 333 μ. Ο 500 μ. zero Ο 400 μ. O 600

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 49P: The cross-sectional dimensions of the copper strip shown are 2.0 cm by 2.0 mm. The strip carries a...

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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

The toroid with tightly wound 100 turns of wire is shown below, each carrying a current I = 3 A. If a = 12 cm and b = 15 cm, the magnetic
field at r = 18 cm, due to the current in this toroid, is (µ₁ = 4 × 10-7 N/A²)
Ο 333 μ.
Ο 500 μ.
zero
Ο 400 μ.
O 600

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