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electronics/wheatstone_bridge.py
41 строка
1 KB
Aroson
Added Wheatstone Bridge Algorithm (#9872)
06 окт 2023, 02:16
Не верифицирован
06 окт 2023, 02:16
9200c64
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# https://en.wikipedia.org/wiki/Wheatstone_bridge from __future__ import annotations def wheatstone_solver( resistance_1: float, resistance_2: float, resistance_3: float ) -> float: """ This function can calculate the unknown resistance in an wheatstone network, given that the three other resistances in the network are known. The formula to calculate the same is: --------------- |Rx=(R2/R1)*R3| --------------- Usage examples: >>> wheatstone_solver(resistance_1=2, resistance_2=4, resistance_3=5) 10.0 >>> wheatstone_solver(resistance_1=356, resistance_2=234, resistance_3=976) 641.5280898876405 >>> wheatstone_solver(resistance_1=2, resistance_2=-1, resistance_3=2) Traceback (most recent call last): ... ValueError: All resistance values must be positive >>> wheatstone_solver(resistance_1=0, resistance_2=0, resistance_3=2) Traceback (most recent call last): ... ValueError: All resistance values must be positive """ if resistance_1 <= 0 or resistance_2 <= 0 or resistance_3 <= 0: raise ValueError("All resistance values must be positive") else: return float((resistance_2 / resistance_1) * resistance_3) if __name__ == "__main__": import doctest doctest.testmod()