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sudu.ghonge
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We know that a Magnetic field does no work. Then how does an inductor store energy (1/2 LI2)? When that stored energy is needed, it can be retrieved back and clearly it can be used to do some work. In a fix here.
Magnetic potential energy is the energy that is stored in a magnetic field. It is the potential for a magnetic field to do work on a magnetic object.
Magnetic potential energy is unique in that it is dependent on the orientation of the magnetic field and the magnetic properties of the object. It is also a conservative force, meaning that it can be converted into other forms of energy without loss.
Some examples of magnetic potential energy include a compass needle aligning with the Earth's magnetic field, a door being held closed by a magnet, and a speaker converting electrical energy into sound waves through the use of a magnetic coil.
The formula for calculating magnetic potential energy is U = -m*B, where U is the potential energy, m is the magnetic dipole moment, and B is the strength of the magnetic field. The negative sign indicates that the potential energy is a maximum when the magnetic moment is aligned with the field.
Understanding magnetic potential energy is important in various fields of science, including physics and engineering. It helps in the design and operation of devices that utilize magnetic fields, such as electric motors, generators, and MRI machines. It also plays a role in understanding the behavior of particles in the Earth's magnetic field and in studying the properties of materials with magnetic properties.