# Tesla (unit)

**teslaTteslasnTnanoteslamilliteslamTµTμTGigatesla**

The tesla (symbol: T) is a derived unit of the magnetic induction (also, magnetic flux density) in the International System of Units.wikipedia

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### Nikola Tesla

**TeslaNicola TeslaTesla, Nikola**

The unit was announced during the General Conference on Weights and Measures in 1960 and is named in honour of Nikola Tesla, upon the proposal of the Slovenian electrical engineer France Avčin.

Tesla's work fell into relative obscurity following his death, until 1960, when the General Conference on Weights and Measures named the SI unit of magnetic flux density the tesla in his honor.

### Weber (unit)

**weberWbwebers**

One tesla is equal to one weber per square metre.

A flux density of one Wb/m 2 (one weber per square metre) is one tesla.

### International System of Units

**SISI unitsSI unit**

The tesla (symbol: T) is a derived unit of the magnetic induction (also, magnetic flux density) in the International System of Units.

### Magnetic flux

**fluxfluxes definition of flux used in electromagnetism**

The tesla (symbol: T) is a derived unit of the magnetic induction (also, magnetic flux density) in the International System of Units.

:where B is the magnitude of the magnetic field (the magnetic flux density) having the unit of Wb/m 2 (tesla), S is the area of the surface, and θ is the angle between the magnetic field lines and the normal (perpendicular) to S.

### SI derived unit

**derived unitderived unitsJ/kg**

The tesla (symbol: T) is a derived unit of the magnetic induction (also, magnetic flux density) in the International System of Units.

### General Conference on Weights and Measures

**CGPMConférence Générale des Poids et MesuresCGPM conference**

The unit was announced during the General Conference on Weights and Measures in 1960 and is named in honour of Nikola Tesla, upon the proposal of the Slovenian electrical engineer France Avčin.

### France Avčin

The unit was announced during the General Conference on Weights and Measures in 1960 and is named in honour of Nikola Tesla, upon the proposal of the Slovenian electrical engineer France Avčin.

In 1960, he successfully proposed in Paris that Tesla is used as the SI unit of the strength of a magnetic field.

### Kilogram

**kgmgmilligram**

Three other base units (cd, A, mol) and 17 derived units (N, Pa, J, W, C, V, F, Ω, S, Wb, T, H, kat, Gy, Sv, lm, lx) in the SI system were defined in relation to the kilogram, and thus its stability was important.

### National High Magnetic Field Laboratory

**National High Magnetic Field LaboratoriesNational High Magnetic Field Laboratory (NHMFL)NHMFL**

The strongest fields encountered from permanent magnets on Earth are from Halbach spheres and can be over 4.5 T. The record for the highest sustained pulsed magnetic field has been produced by scientists at the Los Alamos National Laboratory campus of the National High Magnetic Field Laboratory, the world's first 100-tesla non-destructive magnetic field.

The facility houses several magnets, including a 45 Tesla hybrid magnet, which combines resistive and superconducting magnets.

### Earth's magnetic field

**geomagnetismgeomagneticgeomagnetic field**

The magnitude of the Earth's magnetic field at its surface ranges from 25 to 65 microteslas (0.25 to 0.65 gauss).

### Henry (unit)

**henryhenriesH**

:in which the following additional derived units occur: coulomb (C), farad (F), joule (J), weber (Wb), tesla (T), volt (V), hertz (Hz), and ohm .

### Gauss (unit)

**gaussGkG**

The cgs system has been superseded by the International System of Units (SI), which uses the tesla (symbol T) as the unit of magnetic flux density.

### Neodymium magnet

**neodymium magnetsneodymiumSupermagnet**

The most important is that the tetragonal Nd 2 Fe 14 B crystal structure has exceptionally high uniaxial magnetocrystalline anisotropy (H A ≈ 7T –

### Magnetic resonance imaging

**MRIMRI scanmagnetic resonance imaging (MRI)**

The field strength of the magnet is measured in teslas – and while the majority of systems operate at 1.5 T, commercial systems are available between 0.2 and 7 T. Most clinical magnets are superconducting magnets, which require liquid helium.

### Oersted

**megagauss oerstedsOeOERSTEDS**

For the relation to the units of the magnetising field (ampere per metre or Oersted), see the article on permeability.

In the SI system, the unit ampere per meter (A/m), which is equivalent to newton/weber, is used for the H‑field and the unit of tesla is used for the B‑field.

### Permeability (electromagnetism)

**permeabilitymagnetic permeabilityrelative permeability**

For the relation to the units of the magnetising field (ampere per metre or Oersted), see the article on permeability.

This is the magnetic field B, which is measured in webers (volt-seconds) per square-metre (V⋅s/m 2 ), or teslas (T).

### Electromagnet

**electromagnetselectro-magnetelectromagnetic**

In a current-carrying wire (electromagnets) the movement is due to electrons moving through the wire (whether the wire is straight or circular).

### Magnetic levitation

**diamagnetic levitationelectromagnetic levitationmaglev**

:where P_{mag} is the force per unit area in pascals, B is the magnetic field just above the superconductor in teslas, and \mu_0 = 4π×10 −7 N·A −2 is the permeability of the vacuum.

### Magnetar

**magnetarscigar shapedetected in March 1979**

A magnetar is a type of neutron star believed to have an extremely powerful magnetic field (∼10 13 to 10 15 G, ∼10 9 to 10 11 T).

### Magnetic field

**magnetic fieldsmagneticmagnetic flux density**

The tesla (symbol: T) is a derived unit of the magnetic induction (also, magnetic flux density) in the International System of Units. For the relation to the units of the magnetising field (ampere per metre or Oersted), see the article on permeability.

, magnetic flux density, is measured in tesla (in SI base units: kilogram per second 2 per ampere), which is equivalent to newton per meter per ampere.

### Compact Muon Solenoid

**CMSCMS experimentCompact Muon Solenoid (CMS)**

The tracker and the calorimetry are compact enough to fit inside the CMS Solenoid which generates a powerful magnetic field of 3.8 T.

### Centimetre–gram–second system of units

**CGScgs unitsCGS unit**

### Superconducting magnet

**superconducting magnetssuperconducting electromagnetsuperconducting electromagnets**

This material has critical temperature of 10 kelvins and can superconduct at up to about 15 teslas.

### Nuclear magnetic resonance

**NMRmagnetic resonanceNuclear Magnetic Resonance (NMR)**

In zero field NMR all magnetic fields are shielded such that magnetic fields below 1 nT (nanotesla) are achieved and the nuclear precession frequencies of all nuclei are close to zero and indistinguishable.

### ITER

**International Thermonuclear Experimental ReactorInternational Thermonuclear Experimental Reactor (ITER)ITER facility**

The central solenoid coil will use superconducting niobium-tin to carry 46 kA and produce a field of up to 13.5 teslas.