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To convert from Webers (Wb) to Maxwells (Mx), you multiply by 100,000,000 (10⁸), as one Weber is equal to 10⁸ Maxwells.
Example:
Convert a magnetic flux of 0.005 Wb to Maxwells.
0.005 Wb * 100,000,000 = 500,000 Mx
Answer: 0.005 Webers is equal to 500,000 Maxwells.
Magnetic flux (often represented by the Greek letter Φ, phi) is a measurement of the total magnetic field that passes through a given area. It's a way to quantify the overall 'amount' of magnetism flowing through a surface. One common way to visualize a magnetic field is with 'magnetic field lines'. Where these lines are dense, the field is strong; where they are sparse, the field is weak. Magnetic flux can be thought of as the total number of these magnetic field lines passing through a particular surface, like a loop of wire.
The concept of magnetic flux is most important when it changes. Faraday's law of induction, one of the cornerstones of electromagnetism, states that a changing magnetic flux through a coil of wire will induce a voltage (and therefore a current) in that wire. This is the fundamental principle that makes electric generators, transformers, and induction cooktops possible. By spinning a coil of wire in a magnetic field (or spinning a magnet near a coil of wire), the magnetic flux through the coil changes continuously, which generates the AC electricity that powers our world. The SI unit of magnetic flux is the Weber (Wb), named after the German physicist Wilhelm Eduard Weber. This converter allows translation between the Weber and older CGS units.
Φ = B * A * cos(θ), where 'θ' is the angle between the magnetic field lines and the normal (perpendicular) to the surface.ε = -dΦ/dt. For a coil with N turns, this becomes ε = -N * (dΦ/dt).According to Faraday's law of induction, a *changing* magnetic flux through a coil of wire induces a voltage (electromotive force). A constant, unchanging magnetic flux does not induce a voltage. The faster the flux changes, the greater the induced voltage. This is the fundamental principle behind electric generators and transformers.
The Maxwell (Mx) is the CGS unit of magnetic flux. It is a very small unit; 1 Weber is equal to 100,000,000 Maxwells. It is named after James Clerk Maxwell, whose work unified electricity, magnetism, and light. The unit is now considered obsolete.
Magnetic flux density (B-field), measured in Tesla, is the strength of the magnetic field at a single point. Magnetic flux (Φ), measured in Webers, is the total amount of field passing through an entire area. Flux is flux density multiplied by area (Φ = B × A).
When you have a coil with multiple turns of wire, the total magnetic flux passing through the entire coil is called the flux linkage. It is the flux through a single turn multiplied by the number of turns in the coil. It is this total flux linkage that determines the induced voltage in a generator or transformer.
Wilhelm Weber was a 19th-century German physicist who, along with Carl Friedrich Gauss, did foundational work in magnetism. He developed sensitive magnetometers and studied the connections between electrical and magnetic phenomena. The SI unit of magnetic flux is named in his honor.