diff --git a/electronics/calculate_resistence_in_parallel b/electronics/calculate_resistence_in_parallel
new file mode 100644
index 000000000000..248208722360
--- /dev/null
+++ b/electronics/calculate_resistence_in_parallel
@@ -0,0 +1,17 @@
+resistors_in_parallel = [200, 470, 220]
+
+def calculate_resistence_in_parallel(resistors_in_parallel: list) -> float:
+    """
+    Calculate total resistance of resistors used in parallel
+    >>> calculate_resistence_in_parallel(resistors_in_parallel)
+    85.67
+    """
+    total = 0
+    for val in resistors_in_parallel:
+        total = total + (1 / val)
+    return round(1/ total, 2)
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()