Current is charge derivative
============================

*Electric current* is the rate at which electric charge changes with time in classical electromagnetism.

**Links:**

#. `Wikipedia – Electric current <https://en.wikipedia.org/wiki/Electric_current#Metals>`__

.. py:currentmodule:: symplyphysics.electromagnetism.circuits.fundamentals.current_is_charge_derivative

.. py:data:: time

    :attr:`~symplyphysics.symbols.basic.time`.

Symbol:
    :code:`t`

Latex:
    :math:`t`

Dimension:
    :code:`time`


.. py:data:: current

    :attr:`~symplyphysics.symbols.electrodynamics.current` as a function of time.

Symbol:
    :code:`I(t)`

Latex:
    :math:`I{\left(t \right)}`

Dimension:
    :code:`current`


.. py:data:: charge

    :attr:`~symplyphysics.symbols.electrodynamics.charge` as a function of time.

Symbol:
    :code:`q(t)`

Latex:
    :math:`q{\left(t \right)}`

Dimension:
    :code:`charge`


.. py:data:: law

    :code:`I(t) = Derivative(q(t), t)`


    Latex:
        .. math::
            I{\left(t \right)} = \frac{d}{d t} q{\left(t \right)}