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Difference between DC Helmholtz coil and AC Helmholtz coil

Release time:

2019-09-02

Source:

Www.fe2100.com

A Helmholtz coil (Helmholtzcoil) is a device that produces a uniform magnetic field over a small area. Due to the open nature of the Helmholtz coil, it is easy to place or remove other instruments, and can also be directly observed visually, so it is a device often used in physical experiments.

　　Helmholtz coil(Helmholtz coil) is a device that produces a uniform magnetic field in a small area. Due to the open nature of the Helmholtz coil, it is easy to place or remove other instruments, and can also be directly observed visually, so it is a device often used in physical experiments. It is named after the German physicist Hermann von Helmholtz.

　　 Helmholtz coilIt is a pair of coaxial circular coils that are parallel and connected to each other. When the current directions in the two coils are the same and the size is the same, and the distance d between the coils is exactly equal to the radius R of the circular coil, this circular current-carrying coil is called a Helmhohz coil,. Such coils are characterized by the ability to produce a wide, uniform magnetic field near the midpoint of their common axis.
 
Difference between DC Helmholtz coil and AC Helmholtz coil
　　 Helmholtz coilIt is composed of two single coils. Typical applications are measuring magnetic field (magnetic electricity) and generating magnetic field (electromagnetism). When a magnetic field occurs, the center point of the two coils produces a uniform magnetic field with a large uniform area and an open space. To achieve one-dimensional, two-dimensional, three-dimensional combination of magnetic field, can provide AC and DC magnetic field, current and magnetic field has a good linear relationship. Suitable for research institutes, universities and enterprises to do material magnetic or testing experiments, used in materials, electronics, biology, medical, etc. When the power supply of the Helmholtz coil is a DC constant current power supply, the magnetic field generated is a DC magnetic field, whereas when the power supply is an AC power supply, the magnetic field generated is an AC magnetic field.
　　 Hunan Yongyi Technology Co., Ltd.Helmholtz coil case picture sharing
one-dimensional Helmholtz coil
Three-dimensional Helmholtz coil case picture
Helmholtz coil
Helmholtz coil system
one-dimensional Helmholtz coil
one-dimensional Helmholtz coil
 
 
 

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