Science | Industrial Automation Blogsphere

Permanent Magnet

February 5th, 2010 admin No comments

Permanent Magnet

how to calculate the magnetic force Between Two permanent magnet?

can anyone tell me how to calculate the magnetic force (repulsive force) Between Two permanent magnet?

Magnetic The magnetic field strength B is defined from the Lorentz Force Law, and specifically from the magnetic force was moving load: The implications of this expression include: 1. The force perpendicular to IS BOTH the velocity v of the charge q and the magnetic field B 2. The magnitude of the force F = QVB sinθ IS WHERE Is The angle θ <180 degrees Between the velocity and the magnetic field. This Implies That the magnetic force was dependent stationary or moving a load parallel to the magnetic field IS zero. 3. The direction of the force IS Given by the right hand rule. The strong relationship is in. Above the form of a vector product. When the magnetic force relationship IS Applied to a current-Carrying wire, the right-hand rule May Be Used to determine the direction of force on the wire. From the force relationship Above it can deduced Be That units of the magnetic field are Newtonian seconds / (Coulomb meter) or Newtons per Ampere meter. This IS unit named the Tesla. It Is a large unit, and the smaller unit Gauss IS Used for small fields like the Earth's magnetic field. A Tesla IS 10.000 Gauss. The Earth's magnetic field at the surface Is On the order of half a Gauss Lorentz Force Law Both the electric field and magnetic field can Be defined from the Lorentz force law: The electric power IS straightforward, Being in the direction of the electric field if the charge Q is positive towards the goal of the magnetic part of the force IS a sealed envelope the right hand rule. Right Hand Rule The right hand rule Is a Useful mnemonic for visualizing the direction of a magnetic force as the Lorentz force a sealed envelope law. Above The diagrams are Two of the forms Used to visualize the force was moving positive charge. The Force Is in the opposite direction for a negative charge moving in the direction shown. One fact to keep in mind is the magnetic force That IS perpendicular to Both the magnetic field and the load velocity, But That Leaves Two possibilities. The right hand rule just pin down Help You Which Of The Two directions fixe. For applications to current-Carrying wires, the electric current direction can Conventional Be substituted for the charge velocity v in the Above digram. Unfortunately i cannot post u pictograms to Illustrate my point of views

Lifting Magnet Tour offers a soldier and versions covered. Standing Tower, located directly above the magnet, allowing operators and treat combination magnet movement. It can accommodate DSG / ELSA / LSA / DSA EDSA magnets / and takes most of the other / models of magnets junk. With teeth closed around the tower, a magnet is suspended below the hook. This gives the operator a clear view of the magnet for investment and easy operation. Torre deal may be caught by the teeth while ...