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Created equivalent_resistance under Electronics #6782

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Merged
merged 8 commits into from
Oct 30, 2022
Merged

Created equivalent_resistance under Electronics #6782

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de06353
Create resistor_equivalence.py
Gmuslow Oct 6, 2022
2a22500
Update resistor_equivalence.py
Gmuslow Oct 6, 2022
eea6d60
Update electronics/resistor_equivalence.py
Gmuslow Oct 10, 2022
21d3637
Update resistor_equivalence.py
Gmuslow Oct 16, 2022
f960440
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 16, 2022
68af9ca
Update resistor_equivalence.py
Gmuslow Oct 16, 2022
4bb0d90
Update resistor_equivalence.py
cclauss Oct 30, 2022
2b15cec
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 30, 2022
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Update resistor_equivalence.py
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@cclauss
cclauss authored Oct 30, 2022
commit 4bb0d90dc4104bcfad283ccb7aa58a534275e99e
15 changes: 8 additions & 7 deletions electronics/resistor_equivalence.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,10 @@
from __future__ import annotations


def resistor_parallel(
resistors: list[float],
) -> float: # Req = 1/ (1/R1 + 1/R2 + ... + 1/Rn)
def resistor_parallel(resistors: list[float]) -> float:
"""
Req = 1/ (1/R1 + 1/R2 + ... + 1/Rn)

>>> resistor_parallel([3.21389, 2, 3])
0.8737571620498019
>>> resistor_parallel([3.21389, 2, -3])
Expand All @@ -29,10 +29,12 @@ def resistor_parallel(
return 1 / first_sum


def resistor_series(resistors: list[float]) -> float: # Req = R1 + R2 + ... + Rn
def resistor_series(resistors: list[float]) -> float:
"""
This function can calculate the equivalent resistance for any number of
resistors in parallel.
Req = R1 + R2 + ... + Rn

Calculate the equivalent resistance for any number of resistors in parallel.

>>> resistor_series([3.21389, 2, 3])
8.21389
>>> resistor_series([3.21389, 2, -3])
Expand All @@ -43,7 +45,6 @@ def resistor_series(resistors: list[float]) -> float: # Req = R1 + R2 + ... + R
sum_r = 0.00
index = 0
for resistor in resistors:

sum_r += resistor
if resistor < 0:
raise ValueError(f"Resistor at index {index} has a negative value!")
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