What is superconductivity PPT?

Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic fields occurring in certain materials when cooled below a characteristic critical temperature. This power-point presentation include.

What is superconductivity in simple terms?

Superconductivity is the property of certain materials to conduct direct current (DC) electricity without energy loss when they are cooled below a critical temperature (referred to as Tc). These materials also expel magnetic fields as they transition to the superconducting state.

What is superconductivity and why is it important?

Superconducting wire can carry immense electrical currents with no heating, which allows it to generate large magnetic fields. One of the most important applications of superconducting magnets is in medicine, with the development of magnetic resonance imaging.

What could be done with superconductors?

Uses of Superconductors

• Efficient Electricity Transportation.
• Magnetic Levitation.
• Magnetic Resonance Imaging (MRI)
• Synchrotrons and Cyclotrons (Particle Colliders)
• Fast Electronic Switches.
• Finding Out More…

How can superconductivity be used in the future?

Futuristic ideas for the use of superconductors, materials that allow electric current to flow without resistance, are myriad: long-distance, low-voltage electric grids with no transmission loss; fast, magnetically levitated trains; ultra-high-speed supercomputers; superefficient motors and generators; inexhaustible …

How was superconductivity discovered?

Superconductivity was discovered on April 8, 1911 by Heike Kamerlingh Onnes, who was studying the resistance of solid mercury at cryogenic temperatures using the recently produced liquid helium as a refrigerant. At the temperature of 4.2 K, he observed that the resistance abruptly disappeared.

What causes superconductivity?

Artwork: Superconductivity happens when electrons work together in Cooper pairs. Normally, the electrons that carry electricity through a material are scattered about by impurities, defects, and vibrations of the material’s crystal lattice (its scaffold-like inner structure).

Who was the first to discover superconductivity?

Kamerlingh-Onnes
First of all: what is superconductivity? It’s an absolutely remarkable phenomenon discovered in 1911 by a student working with the famous Dutch scientist, Kamerlingh-Onnes. Kamerlingh-Onnes pioneered work at very low temperatures — temperatures just a few degrees above the absolute zero of temperature.