Magnetic Field created by a Current Carrying Conductor
A moving electric charge produces an electric field. Thus we can say that any conductor which allows current to flow produces an electric field which is true. Current flowing through a conductor produces a magnetic field but the field is very weak to be detected by us.
The value of the magnetic field by the current-carrying conductor is given by the formula,
B = (µoI)/(2πr)
where,
B is the magnetic field strength
µo is the permeability of the free space
I is the current passing through the conductor
r is the distance of the point where the magnetic field is calculated
Note: The value of µo = 4 π×10-7 Tm/A
Fleming Right Hand Rule is used to find the direction of the magnetic field produced by a current-carrying conductor.
For more detail, Magnetic Field due to Current Carrying Conductor
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.