Popular Branches
MBA
B.Tech
BBA
BSc
Home > Articles > Value of Mu Not: Definitions, Examples, Formula, Unit, Factors Affecting, Relative Permeability
Updated on 31st October, 2023 , 4 min read
The permeability constant is Mu nothing, or 0. It is synonymous with the magnetic constant or free space permeability. As a result, the mu naught value represents the amount of resistance supplied against a magnetic field created in a vacuum.
Magnetic permeability is a material attribute that reflects how effectively a material resists the formation of a magnetic field. It can be defined in the context of magnetization as a relative increase or decrease in the resulting magnetic field (M.F.) inside any material as compared to the magnetizing field in which the material is placed. The magnetic permeability definition may be written as the property of a material that is equal to the magnetic flux density B established within the material by a magnetizing field that has been divided into the magnetizing field intensity H. The link between magnetic induction and magnetic intensity is characterized by magnetic permeability. Magnetic field resistance is a measure of a material's capacity to resist the formation of a magnetic field. In 1885, Oliver Heaviside coined the phrase "Magnetic Permeability" to explain how magnetic fields may travel through materials. Magnetic permeability is a material property that allows magnetic lines of force to travel through it without being obstructed.
The Biot-Savart law, for example, is an electromagnetic equation used to calculate the magnitude of a magnetic field created by a constant electric current.
Mu naught is value is μ₀ = 4π × 10⁻⁷ H/m.
The permeability of open space is represented by the Mu naught value or μ₀. It has an exact specified value until May 20, 2019; however, the value of mu naught was updated on May 20, 2019. On May 20, 2019, the SI system underwent a modification. It is the value of the measured amount of resistance to the production of a magnetic field.
The three most widely used mathematical formulas are as follows-
Speed of Light: c = 10 0
Ampere’s Law: B || l = 0I
Magnetic Inductance: L = 0AN2l
Mu naught can also be present in certain other relationships.
The magnetic field energy density (B) is defined as-
Energy = B220
It is also used to describe magnetic force. The constant describes the strength of the force between two electric currents separated by a certain distance-
F= I1 I22πμ0r
F is the magnetic force in the preceding equation, while I1 and I2 are two currents. r denotes the distance between the current carrying wires.
The Effects of Different Factors on Magnetic Permeability. The following are the factors that influence magnetic permeability-
Relative permeability is the ratio of permeability to free space permeability. It is written as-
The mu naught value is 4 x 10⁻⁷ H/m. It is also known as free space permeability or the magnetic constant. This physical number is a component of several major physics formulas, including Ampere's law, magnetic inductance, the speed of light in a vacuum, and others.
Pilot Salary in India 2024: Starting Salary, Requirements, Qualifications, Per Month Salary
By - Nikita Parmar 2024-09-06 10:59:22 , 6 min readAns. The permeability of open space is Mu Nothing. It describes the relationship between charges and the magnetic field they generate. Epsilon nothingness, on the other hand, is the permittivity of free space. It displays the relationship between an electric field and static charges.
Ans. The mu naught unit is the unit of measurement used to represent an entity. In physics, this measurement of the thing is referred to as a unit. There are several scales available for measuring an entity. The unit for representing mu naught value is H/m, which stands for henries per meter.
Ans. A permeability constant is a synonym for free-space permeability and a magnetic constant in a magnetic field. That number represents the amount of resistance supplied in opposition to developing a magnetic field in free space or a vacuum. In physics, the mu naught value is represented as μ0.
Ans. Mu naught is the permeability constant, or free space permeability. The Mu naught value reflects the number of magnetic field lines that penetrate a material. Mu naught is sometimes misspelled as mu not. It is sometimes referred to as the magnetic constant.
Ans. μr represents relative magnetic permeability. It is the magnetic permeability/free space permeability ratio (mu naught).