The magnetic flux, represented by the symbol Φ, threading some contour or loop is defined as the magnetic field B multiplied by the loop area S, i.e. Φ = B ⋅ S. Both B and S can be arbitrary, meaning Φ can be as well. However, if one deals with the superconducting loop or a hole in a bulk superconductor, the magnetic flux threading such a hole/loop is actually quantized.The (superconducting) magnetic flux quantum Φ0 = h/(2e) ≈ 2.067833848...×10−15 Wb is a combination of fundamental physical constants: the Planck constant h and the electron charge e. Its value is, therefore, the same for any superconductor.The phenomenon of flux quantization was discovered experimentally by B. S. Deaver and W. M. Fairbank and, independently, by R. Doll and M. Näbauer, in 1961. The quantization of magnetic flux is closely related to the Little–Parks effect, but was predicted earlier by Fritz London in 1948 using a phenomenological model. The inverse of the flux quantum, 1/Φ0, is called the Josephson constant, and is denoted KJ. It is the constant of proportionality of the Josephson effect, relating the potential difference across a Josephson junction to the frequency of the irradiation. The Josephson effect is very widely used to provide a standard for high-precision measurements of potential difference, which (from 1990 to 2019) were related to a fixed, conventional value of the Josephson constant, denoted KJ-90. With the 2019 redefinition of SI base units, the Josephson constant has an exact value of KJ = 483597.84841698... GHz⋅V−1, which replaces the conventional value KJ-90. (Wikipedia).
Magnetic Flux, Basic Introduction - Physics Problems
This physics video tutorial provides a basic introduction into magnetic flux. The magnetic flux is the product of the area of a surface and the component of the magnetic field that is perpendicular to the surface. This video explains how to calculate the magnetic flux passes through a sq
From playlist New Physics Video Playlist
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The first 1000 people to use the link will get a free trial of Skillshare Premium Membership: https://skl.sh/parthg06211 Scientists have often thought that magnetic (and electric) fields are fundamental quantities that relate to real, physical, observable things in the universe. And they
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Helicoidal motion of a charged particle in a uniform magnetic field. For other animations like this one, please visit http://web.ncf.ca/ch865
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Magnetic Flux: To understand Faraday's law and electromagnetic induction you must first understand magnetic flux. For a complete index of these videos visit http://www.apphysicslectures.com .
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Magnetic flux and magnetic flux density in weber and Tesla for beginners: from fizzics.org
Notes to support this video lesson are here: https://www.fizzics.org/magnetic-flux-density-notes-and-video/ This short video tutorial explains magnetic flux in terms of the EMF induced as a wire cuts through a magnetic field. It goes on to explain the connection between magnetic flux and m
From playlist Magnetism and electromagnetism
Magnetic flux density measured for beginners: from fizzics.org
The strength of a magnetic field or the flux density can be measured using a simple balance to measure the force produced by a known opposing field. The video demonstrates this measurement using simple equipment and follows through with a calculation of the answer. Notes on measuring magne
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The electric field in a uniform charge density throughout an infinite space. My Patreon page is at https://www.patreon.com/EugeneK
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This video covers Section 22.3 of Cutnell & Johnson Physics 10e, by David Young and Shane Stadler, published by John Wiley and Sons. The lecture is part of the course General Physics - Life Sciences I and II, taught by Dr. Boyd F. Edwards at Utah State University. This video was produced
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Quantum Transport, Lecture 15: Superconducting Interference
Instructor: Sergey Frolov, University of Pittsburgh, Spring 2013 http://sergeyfrolov.wordpress.com/ Summary: flux quantization, SQUIDs, pi-junctions, Fraunhofer diffraction in Josephson junctions. Quantum Transport course development supported in part by the National Science Foundation und
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Condensed Matter Physics by Prof. G. Rangarajan, Department of Physics, IIT Madras. For more details on NPTEL visit http://nptel.iitm.ac.in
From playlist NPTEL: Condensed Matter Physics - CosmoLearning.com Physics Course
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From playlist NPTEL: Condensed Matter Physics - CosmoLearning.com Physics Course
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From playlist 2020 Theory Winter School
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DISCUSSION MEETING TOPOLOGICAL ASPECTS OF STRONG CORRELATIONS AND GAUGE THEORIES (ONLINE) ORGANIZERS: Rob Pisarski (Brookhaven National Laboratory, USA), Sumathi Rao (HRI, India), Soeren Schlichting (Bielefeld University, Germany) and Sayantan Sharma (IMSc, India) DATE: 06 September 202
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Program The 2nd Asia Pacific Workshop on Quantum Magnetism ORGANIZERS: Subhro Bhattacharjee, Gang Chen, Zenji Hiroi, Ying-Jer Kao, SungBin Lee, Arnab Sen and Nic Shannon DATE: 29 November 2018 to 07 December 2018 VENUE: Ramanujan Lecture Hall, ICTS Bangalore Frustrated quantum magne
From playlist The 2nd Asia Pacific Workshop on Quantum Magnetism
Electromagnetic Induction (2 of 15) Magnetic Flux, An Explanation
This video explains the concept of magnetic flux with several worked examples at the end of the video. Magnetic flux is defined as the amount of magnetic field that is passing through a coil of wire. The magnetic flux is directly related to the area of the coil, the magnetic field streng
From playlist Electromagnetic Induction