Energy stored in inductor via inductance and current
====================================================

Inductors store energy in the magnetic field when the current is flowing
through it.

**Links:**

#. `Wikipedia, formula in box <https://en.wikipedia.org/wiki/Inductor#Derivation>`__.

.. py:currentmodule:: symplyphysics.laws.electricity.circuits.energy_stored_in_inductor_via_inductance_and_current

.. py:data:: energy

    :attr:`~symplyphysics.symbols.basic.energy` stored in the magnetic field.

Symbol:
    :code:`W`

Latex:
    :math:`W`

Dimension:
    :code:`energy`


.. py:data:: inductance

    :attr:`~symplyphysics.symbols.electrodynamics.inductance` of the inductor.

Symbol:
    :code:`L`

Latex:
    :math:`L`

Dimension:
    :code:`inductance`


.. py:data:: current

    :attr:`~symplyphysics.symbols.electrodynamics.current` flowing through the inductor.

Symbol:
    :code:`I`

Latex:
    :math:`I`

Dimension:
    :code:`current`


.. py:data:: law

    :code:`W = L * I^2 / 2`


    Latex:
        .. math::
            W = \frac{L I^{2}}{2}