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51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
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# https://en.wikipedia.org/wiki/LC_circuit
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"""An LC circuit, also called a resonant circuit, tank circuit, or tuned circuit,
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is an electric circuit consisting of an inductor, represented by the letter L,
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and a capacitor, represented by the letter C, connected together.
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The circuit can act as an electrical resonator, an electrical analogue of a
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tuning fork, storing energy oscillating at the circuit's resonant frequency.
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Source: https://en.wikipedia.org/wiki/LC_circuit
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"""
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from __future__ import annotations
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from math import pi, sqrt
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def resonant_frequency(inductance: float, capacitance: float) -> tuple:
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"""
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This function can calculate the resonant frequency of LC circuit,
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for the given value of inductance and capacitnace.
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Examples are given below:
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>>> resonant_frequency(inductance=10, capacitance=5)
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('Resonant frequency', 0.022507907903927652)
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>>> resonant_frequency(inductance=0, capacitance=5)
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Traceback (most recent call last):
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...
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ValueError: Inductance cannot be 0 or negative
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>>> resonant_frequency(inductance=10, capacitance=0)
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Traceback (most recent call last):
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...
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ValueError: Capacitance cannot be 0 or negative
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"""
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if inductance <= 0:
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raise ValueError("Inductance cannot be 0 or negative")
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elif capacitance <= 0:
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raise ValueError("Capacitance cannot be 0 or negative")
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else:
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return (
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"Resonant frequency",
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float(1 / (2 * pi * (sqrt(inductance * capacitance)))),
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)
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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