What is the Difference Between Magnetic Field and Magnetic Force?
🆚 Go to Comparative Table 🆚The main difference between a magnetic field and a magnetic force lies in their definitions and effects on charges or ferromagnetic materials:
- Magnetic Field: A magnetic field depicts how a moving charge flows around a magnetic object. It is the strength of magnetism created by a magnet. Magnetic fields can be measured in units like tesla or gauss. There are two types of magnetic fields: B field and H field. A magnetic field can be represented mathematically and visually using field lines.
- Magnetic Force: A magnetic force arises due to the interaction of magnetic fields. It is the effect on a charge or ferromagnetic material interacting with a magnetic field. Magnetic forces can be either attractive or repulsive. They are measured in units like Newton. A single magnet cannot create a magnetic force; at least two magnets must be present to create a magnetic force.
In summary, a magnetic field is the strength of magnetism created by a magnet, while a magnetic force is the effect on a charge or ferromagnetic material interacting with a magnetic field. Magnetic fields can be visualized using field lines, whereas magnetic forces are measured in units like Newton.
Comparative Table: Magnetic Field vs Magnetic Force
Here is a table highlighting the differences between magnetic field and magnetic force:
Feature | Magnetic Field | Magnetic Force |
---|---|---|
Definition | A magnetic field is a functional vector field that causes magnetic effects on charges and magnetic materials. | Magnetic force is the force experienced by a magnetic object due to another magnetic object or field. |
Nature | Magnetic field is a vector field in the area of a magnet composed of moving electric charges. | Magnetic force is the interaction between two magnetic objects or a magnetic object and a field. |
Direction | Magnetic field lines represent the direction of the magnetic field, which is defined as the direction in which the north pole of a magnet would point if placed in that region. | Magnetic force can be attractive or repulsive, depending on the alignment of the magnetic poles. |
Visualization | Magnetic field lines are useful for visualizing the strength and direction of the magnetic field. | The direction of magnetic force can be determined using the right-hand rule, which involves placing the current vector end to end with a vector for the magnetic field. |
Application | Magnetic fields are used in various applications, such as calculating the force exerted on other magnets placed in the field. | Magnetic force is experienced by moving charges or magnetic materials when they are placed in a magnetic field. |
In summary, a magnetic field is a vector field that describes the force exerted on magnetic materials and charges, while magnetic force is the actual force experienced by a magnetic object due to another magnetic object or field. Magnetic field lines help visualize the strength and direction of the magnetic field, while the direction of magnetic force can be determined using the right-hand rule.
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