Coil impedance via inductance and frequency
===========================================

The impedance of a coil depends on its inductance and the angular frequency of the alternating
current. It is a purely imaginary quantity since the resistance of a coil is zero.

**Links:**

#. `Wikipedia, first formula <https://en.wikipedia.org/wiki/Electrical_impedance#Inductor_and_capacitor>`__.

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

.. py:data:: impedance

    :attr:`~symplyphysics.symbols.electrodynamics.electrical_impedance` of the coil.

Symbol:
    :code:`Z`

Latex:
    :math:`Z`

Dimension:
    :code:`impedance`


.. py:data:: angular_frequency

    :attr:`~symplyphysics.symbols.classical_mechanics.angular_frequency` of the current.

Symbol:
    :code:`w`

Latex:
    :math:`\omega`

Dimension:
    :code:`angle/time`


.. py:data:: inductance

    Coil :attr:`~symplyphysics.symbols.electrodynamics.inductance`.

Symbol:
    :code:`L`

Latex:
    :math:`L`

Dimension:
    :code:`inductance`


.. py:data:: law

    :code:`Z = I * w * L`


    Latex:
        .. math::
            Z = i \omega L