What is the unit of magnetic flux?

The unit of magnetic flux is the Weber. Magnetic flux is defined as the measure of the quantity of magnetism, taking into account the strength and extent of the magnetic field. It is represented mathematically as the product of the magnetic field strength and the area perpendicular to the field through which it passes.

The Weber (symbol: Wb) is derived from the SI unit of magnetism and essentially quantifies the amount of magnetic field that passes through a specific area. One Weber corresponds to one tesla (the unit of magnetic field strength) multiplied by one square meter. Therefore, when considering how magnetic flux relates to the magnetic field and area, the Weber becomes the appropriate unit.

Other options represent different physical quantities: Tesla is the unit for magnetic field strength, Henry is the unit of inductance, and Volt is the unit of electric potential. Each of these units corresponds to distinct aspects of electromagnetism but does not pertain specifically to magnetic flux. This distinction emphasizes the reason why the Weber is the correct and relevant unit for this concept.