What's el/la difference entre H y B fields?

H (Un/Una/m) es el/la applied magnetic field strength—que tu create with currents o magnets. B (tesla) es el/la resulting flux density incluyendo el/la material's response. In materials with high permeability like iron, B puede be thousands of times larger than μ₀H seria predict.

Why do magnet specs usar oersteds?

Oersted es un/una convenient scale for permanent magnet characterization. Coercivity (resistance un/una demagnetization) typically ranges desde hundreds un/una thousands of oersteds—nice round numeros. El/La CGS sistema es tambien traditional in magnetism research.

Como puedo calcular H in un/una solenoid?

For un/una long solenoid: H = nI, donde n es turns per metro y I es current in amperes. H es in Un/Una/m. El/La resulting B = μ₀μᵣnI depends on que's inside el/la solenoid (air: μᵣ = 1, iron core: μᵣ ~ 1000-5000).

Intensidad de Campo Magnético Converter

Acerca de Magnetic Field Strength Conversion

Magnetic field strength (H-field) measures el/la magnetizing force eso creates magnetic flux in un/una material. It's distinct desde magnetic flux density (B-field)—H represents el/la applied field desde currents y external sources, while B incluye el/la material's magnetic response. This distinction es crucial: el/la mismo H-field produces vastly diferente B-fields in air versus iron due un/una iron's high permeability. H es el/la independent variable tu control; B es el/la resulting field incluyendo el/la material's contribution.

El/La SI unidad es amperes per metro (Un/Una/m), representing magnetomotive force per unidad length. El/La older CGS unidad oersted (Oe) es still widely usado for permanent magnet specifications, coercivity ratings, y magnetic recording media. El/La B-H curve (hysteresis loop) eso characterizes magnetic materials plots B versus H. Understanding H es esencial for magnetic circuit design, material characterization y selection, electromagnet coil design, y demagnetization analysis.

Our converter handles todo estandar magnetic field strength unidades usado in electromagnetic engineering.

Common Magnetic Field Strength Conversions

Desde	A	Multiplicar por
Un/Una/m	Oe (oersted)	0.01257 (4π/1000)
Oe	Un/Una/m	79.577 (1000/4π)
Un/Una/m	kA/m	0.001
kA/m	Un/Una/m	1,000
Un/Una/m	Gb/cm	0.01257
Un/Una/m	Un/Una/cm	0.01
Oe	Gb/cm	1 (equivalent)
Un/Una/cm	Un/Una/m	100
Un/Una/m	Un/Una/cm	0.01

Magnetic Field Strength Unidad Reference

Ampere per metro (Un/Una/m) – El/La SI unidad of magnetic field strength, representing magnetomotive force per unidad length o equivalently current per unidad length in un/una ideal solenoid. Inside un/una long solenoid: H = nI, donde n es turns per metro. El/La relationship un/una B-field in vacuum es B = μ₀H, donde μ₀ = 4π × 10⁻⁷ H/m. In materials, B = μ₀μᵣH with relative permeability μᵣ ranging desde ~1 (air) un/una 100,000+ (especializado alloys).

Oersted (Oe) – El/La CGS unidad of magnetic field strength, named after Hans Christian Ørsted quien discovered electromagnetism in 1820. 1 Oe = 1000/(4π) Un/Una/m ≈ 79.577 Un/Una/m. El/La oersted remains dominant in permanent magnet specifications: ferrite magnets have coercivity ~2000-4000 Oe; alnico ~600-2000 Oe; rare-earth (NdFeB) ~10,000-25,000 Oe. Magnetic recording media tambien usar oersteds for coercivity.

Kiloampere per metro (kA/m) – 1000 Un/Una/m, el/la practico SI unidad for magnetic material datos sheets y strong fields. Saturation magnetization of iron es aproximadamente 1700 kA/m. Coercivity of NdFeB magnets es 800-2000 kA/m. This unidad avoids el/la SI-CGS confusion eso plagues el/la oersted.

Gilbert per centimetro (Gb/cm) – CGS unidad exactamente equal un/una el/la oersted by definition. 1 Gb/cm = 1 Oe ≈ 79.58 Un/Una/m. This notation makes el/la relationship un/una magnetomotive force (gilberts) explicit.

Ampere per centimetro (Un/Una/cm) – 100 Un/Una/m, occasionally usado as un/una compromise entre Un/Una/m y el/la CGS sistema. Convenient for algunos laboratory measurements donde centimetro scales son natural.