Magnetic Field Strength Formula
The magnetic field around any electromagnet can easily be calculated using the formula,
[Tex]B = \frac{\mu _{0}I}{2\pi r} [/Tex]
where,
μ0 is the Permeability of Free Space
I is the Magnitude of Electric Current
r is the Distance in Meters
In terms of the number of turns per unit length of a solenoid, the formula for its magnetic field is given,
B = μ0nI
where,
μ0 is the Permeability of Free Space
n is the Number of Turns per unit length of Solenoid
I is the Magnitude of Electric Current
Magnetic Field Strength
Magnetic field is defined as the region around a magnet which influences the other magnets. i.e. If we place a test magnet near a powerful magnet it experiences some force due to the powerful magnet the region close to the powerful magnet is called the magnetic field of the magnet. It is similar to the electric field of the charged particle and is represented by the magnetic field lines. The denser the magnetic field lines the higher the strength of the magnetic field.
Table of Content
- What is a Magnetic Field?
- Magnetic Field Strength Formula
- History of Magnetic Field
- Representation of Magnetic Field
- Properties of Magnetic Field Lines
- Magnetic Field Intensity
- How does a Magnetic Field Originate?
- Magnetic Field created by a Current Carrying Conductor
- Motion of Electrons around the Nuclei of Atoms
- Magnetic Field by Motion of Electrons around the Nuclei of Atoms
- Solved Example on Magnetic Field Strength
Let’s learn about magnetic field lines formula, derivation, and others in detail in this article.