Definition

1. Noun:
   • The amount of magnetic flux in a unit area perpendicular to the direction of magnetic flow: This is a measurable physical quantity that describes the concentration of a magnetic field. It is a vector quantity, meaning it has both magnitude and direction.

Usage

• magnetic flux density is a technical term used primarily in physics and engineering contexts. It is the formal term for what is commonly called the magnetic field strength or B-field. It is a fundamental concept in electromagnetism.
• It is measured in the SI unit of tesla (T).

Examples

• Noun:
  • The magnetic flux density at the center of the solenoid was calculated to be 0.5 tesla.
  • A high magnetic flux density is required for efficient operation of the magnetic resonance imaging (MRI) machine.
  • The experiment measured how the magnetic flux density varied with distance from the magnet.

Advanced Usage

• "magnetic flux density vector": Often specified to emphasize its directional nature.
  • The magnetic flux density vector points from the north to the south pole of a magnet.
• "residual magnetic flux density": Refers to the magnetization left in a material after an external magnetic field is removed.
  • The permanent magnet has a high residual magnetic flux density.

Variants and Related Words

• Magnetic field (B): Often used interchangeably in technical contexts, though "magnetic flux density" is the more precise term for the B-field.
• Magnetic flux (Φ): A related but distinct concept. Magnetic flux is the total magnetic field passing through a given area, calculated as the product of magnetic flux density and the area perpendicular to the field.
• Tesla (T): The SI unit of measurement for magnetic flux density.

Synonyms

• Magnetic field strength (specifically B-field): In physics and engineering, this is a direct synonym.
• B-field: A common abbreviated term in equations and technical discussions.

Related Phrases

• Flux density: A more general term that can refer to other types of flux (e.g., electric flux density). When used alone in a magnetic context, it is understood to mean magnetic flux density.
• Magnetic induction: An older, less common term for magnetic flux density.

Noun

1. the amount of magnetic flux in a unit area perpendicular to the direction of magnetic flow