Energy Stored In Magnetic Field

Energy stored in magnetic field

P=ϵi=Ldidti. The total energy stored in the magnetic field when the current increases from 0 to I in a time interval from 0 to t can be determined by integrating this expression: U=∫t0Pdt′=∫t0Ldidt′idt′=L∫l0idi=12LI2.

How is energy stored in a field?

How does an electric field store energy? the energy stored by the electric field is expressed in its capacitance. it stores it like a stress or a pressure in the region of space where dielectric or dipole charges are present like in a capacitor.

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