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Types Of Superconductors01:28

Types Of Superconductors

A superconductor is a substance that offers zero resistance to the electric current when it drops below a critical temperature. Zero resistance is not the only interesting phenomenon as materials reach their transition temperatures. A second effect is the exclusion of magnetic fields. This is known as the Meissner effect. A light, permanent magnet placed over a superconducting sample will levitate in a stable position above the superconductor. High-speed trains that levitate on strong...
Superconductor01:24

Superconductor

A substance that reaches superconductivity, a state in which magnetic fields cannot penetrate, and there is no electrical resistance, is referred to as a superconductor. In 1911, Heike Kamerlingh Onnes of Leiden University, a Dutch physicist, observed a relation between the temperature and the resistance of the element mercury. The mercury sample was then cooled in liquid helium to study the linear dependence of resistance on temperature. It was observed that, as the temperature decreased, the...
Magnetic Field Due to Two Straight Wires01:18

Magnetic Field Due to Two Straight Wires

Consider two parallel straight wires carrying a current of 10 A and 20 A in the same direction and separated by a distance of 20 cm. Calculate the magnetic field at a point "P2", midway between the wires. Also, evaluate the magnetic field when the direction of the current is reversed in the second wire.
Magnetic Field Of A Current Loop01:16

Magnetic Field Of A Current Loop

Consider a circular loop with a radius a, that carries a current I. The magnetic field due to the current at an arbitrary point P along the axis of the loop can be calculated using the Biot-Savart law.
Magnetic Force Between Two Parallel Currents01:13

Magnetic Force Between Two Parallel Currents

Two long, straight, and parallel current-carrying conductors exert a force of equal magnitude on one another. The direction of the force depends on the current direction in the conductors.
The force exerted by the magnetic field due to the first conductor over a finite length of the second conductor is given as the product of the current in the second conductor and  the vector product of the length vector along the current element and the field due to the first conductor. According to the...
Magnetic Force On Current-Carrying Wires: Example01:22

Magnetic Force On Current-Carrying Wires: Example

In a magnetic field, moving charges encounter a force. If a wire contains these moving charges, i.e., if the wire is carrying a current, then a force acts on the wire as well. Consider a pair of flexible leads holding a wire that is 40 cm long and 10 g in weight in a horizontal position. The wire is placed in a constant magnetic field of 0.40 T, as shown in Figure 1(a). Determine the magnitude and direction of the current flowing in the wire needed to remove the tension in the supporting leads.

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Video Experimental Relacionado

Updated: Jul 12, 2026

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
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Superconductores de alto campo y alta corriente de alto campo y alta corriente.

J K Hulm, B T Matthias

    Science (New York, N.Y.)
    |May 23, 1980
    PubMed
    Resumen

    Este estudio explora materiales superconductores, cruciales para la creación de electromagnéticos de alto campo utilizados en tecnologías avanzadas como los reactores de fusión. Estos materiales permiten un funcionamiento sin pérdidas, avanzando en la electrotecnología superconductora.

    Área de la Ciencia:

    • Ciencia de los materiales Ciencia de los materiales.
    • Física de la materia condensada Física de la materia condensada
    • Ingeniería Eléctrica Ingeniería Eléctrica.

    Sus antecedentes:

    • Los materiales superconductores exhiben una resistencia eléctrica cero.
    • Pueden soportar altas densidades de corriente (aprox. 10^6 A/cm2) en campos magnéticos fuertes (hasta 50 T).
    • Estas propiedades son vitales para el desarrollo de electromagnéticos sin pérdidas.

    Objetivo del estudio:

    • Examinar los aspectos de la ciencia de los materiales de los materiales superconductores de alto rendimiento.
    • Proporcionar una visión general de los principios físicos detrás de la superconductividad.
    • Discutir la adaptación tecnológica de estos materiales para aplicaciones electromagnéticas.

    Principales métodos:

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    • Revisión de los principios físicos que rigen la superconductividad.
    • Análisis de los parámetros clave de los materiales superconductores.
    • Discusión de los requisitos tecnológicos para el enrollado electromagnético.

    Principales resultados:

    • Los materiales superconductores son esenciales para la generación de campos magnéticos de alta potencia.
    • Su aplicación es fundamental para la electrotecnología superconductora.
    • El estudio cubre materiales, principios y adaptación tecnológica.

    Conclusiones:

    • Los materiales superconductores son clave para el avance de la electrotecnología.
    • Existen posibilidades futuras para materiales que permitan campos magnéticos aún más altos.
    • La investigación continua de materiales es fundamental para las aplicaciones futuras.