Magnetic field strength, often denoted by H, is a measure of the intensity of a magnetic field in a given area and is a vector quantity that describes the force that a magnetic field exerts on moving electric charges and magnetic dipoles. It is distinct from magnetic flux density (B), which accounts for the material's response to the magnetic field, and is measured in amperes per meter (A/m).

Magnetic Field Strength

Magnetic field strength

intensity of a magnetic field

A vector quantity is a physical measurement that has both magnitude and direction, distinguishing it from scalar quantities which have only magnitude. Vectors are crucial in fields like physics and engineering to describe quantities such as force, velocity, and displacement, and are typically represented graphically by arrows or mathematically by ordered pairs or triplets.

vector quantity

Force of a magnetic field

moving electric charges

magnetic dipoles

Magnetic flux density, often denoted by the symbol B, is a measure of the strength and direction of the magnetic field in a given area, representing how much magnetic flux passes through a unit area perpendicular to the field lines. It is measured in teslas (T) in the International System of Units (SI) and is a vector quantity, indicating both magnitude and direction.

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