Coupling parameter of resonator from resistance
===============================================

There is a coupling parameter to describe the resonator and the load. The parameter is
equal to the ratio of the resonator's resistance to the load resistance.

..
    TODO: find link

.. py:currentmodule:: symplyphysics.laws.electricity.circuits.resonators.coupling_parameter_of_resonator_from_resistances

.. py:data:: coupling_parameter

    Coupling parameter of the resonator.

Symbol:
    :code:`g`

Latex:
    :math:`g`

Dimension:
    :code:`dimensionless`


.. py:data:: resonator_resistance

    :attr:`~symplyphysics.symbols.electrodynamics.electrical_resistance` of the resonator.

Symbol:
    :code:`R_0`

Latex:
    :math:`R_{0}`

Dimension:
    :code:`impedance`


.. py:data:: load_resistance

    :attr:`~symplyphysics.symbols.electrodynamics.electrical_resistance` of the resonator.

Symbol:
    :code:`R_L`

Latex:
    :math:`R_\text{L}`

Dimension:
    :code:`impedance`


.. py:data:: law

    :code:`g = R_0 / R_L`


    Latex:
        .. math::
            g = \frac{R_{0}}{R_\text{L}}