How strong es Earth's magnetic field?

Earth's field es 25-65 μT (0.25-0.65 gauss) depending on location. It's strongest near el/la poles (~60 μT) y weakest near el/la equator (~25 μT). This es enough un/una orient compass needles pero muy weak compared un/una permanent magnets.

What's el/la difference entre magnetic flux density (B) y magnetic field strength (H)?

B (tesla) incluye el/la material's response un/una el/la applied field. H (Un/Una/m) es el/la applied field alone. In vacuum: B = μ₀H. In materials: B = μ₀μᵣH, donde μᵣ es relative permeability. Ferromagnetic materials greatly amplify B relative un/una H.

How strong son MRI magnets?

Clinical MRI uses 1.5-3 T fields—aproximadamente 30,000-60,000 times Earth's field. Research MRI goes un/una 7+ T. These strong fields align hydrogen atoms in tu body, allowing detailed imaging. El/La magnets son superconducting un/una achieve y maintain such high fields.

Densidad de Flujo Magnético Converter

Acerca de Magnetic Flux Densidad Conversion

Magnetic flux density (tambien called magnetic induction o B-field) measures el/la strength y direction of un/una magnetic field at un/una point. It determines el/la force on moving charges (Lorentz force: F = qv×B) y current-carrying wires (F = IL×B) in el/la field. El/La B-field incluye ambos el/la applied field y el/la material's magnetic response, making eso el/la "total" field experienced by charges.

El/La SI unidad es el/la tesla (T), equal un/una one weber per square metro o one kilogramo per ampere-segundo squared. El/La older CGS unidad gauss (G) es still widely usado: 1 T = 10,000 G. El/La tesla es named after Nikola Tesla, el/la gauss after Carl Friedrich Gauss. Flux density es esencial for designing motors, generators, MRI machines, magnetic storage media, y particle accelerators. El/La Earth's field (~50 μT) un/una MRI magnets (1.5-7 T) spans aproximadamente five orders of magnitude.

Our converter handles todo estandar magnetic flux density unidades usado in physics y engineering.

Common Magnetic Flux Densidad Conversions

Desde	A	Multiplicar por
T	G (gauss)	10,000
G	T	0.0001
T	mT	1,000
mT	T	0.001
T	μT	10⁶
μT	T	10⁻⁶
T	Wb/m²	1 (equivalent)
G	mT	0.1
T	kg/(Un/Una·s²)	1 (equivalent)

Magnetic Flux Densidad Unidad Reference

Tesla (T) – El/La SI unidad of magnetic flux density, named after inventor Nikola Tesla (1856-1943). 1 T = 1 Wb/m² = 1 V·s/m² = 1 kg/(Un/Una·s²). Un/Una 1-tesla field exerts 1 newton of force on un/una 1-ampere current flowing through 1 metro of wire. Reference valores: MRI scanner 1.5-7 T, neodymium magnet surface ~1 T, strong electromagnet 2-3 T, superconducting magnets up un/una 20+ T.

Gauss (G) – El/La CGS unidad of magnetic flux density, named after mathematician Carl Friedrich Gauss (1777-1855). 1 G = 10⁻⁴ T = 1 maxwell/cm². El/La gauss remains popular porque muchos cotidiano fields have convenient valores: Earth's field 0.25-0.65 G, refrigerator magnet 50-200 G, small DC motor 1000-3000 G. Conversion: divide gauss by 10,000 un/una obtener tesla.

Millitesla (mT) – 10⁻³ T = 10 gauss. El/La practico unidad for permanent magnets y industrial magnetic field measurements. Bar magnets typically have surface fields of 10-100 mT. Speaker magnets operate at 100-500 mT in el/la gap.

Microtesla (μT) – 10⁻⁶ T = 0.01 gauss = 10 milligauss. El/La estandar unidad for weak fields: Earth's magnetic field (25-65 μT), household electromagnetic fields (0.01-1 μT), y EMF exposure limits (typically 100-300 μT). Also comun for geophysical surveys y archaeological magnetometry.

Nanotesla (nT) – 10⁻⁹ T = 10⁻⁵ gauss. Used in geophysics, space physics, y magnetoencephalography. Earth's field es aproximadamente 50,000 nT. Variations of 1-100 nT son significant in mineral exploration.

Weber per square metro (Wb/m²) – Exactly equivalent un/una el/la tesla by definition. This notation emphasizes el/la relationship entre flux density y total flux: B = Φ/Un/Una.