G5C11:What is the inductance of a circuit with a 20-millihenry inductor connected in series with a 50-millihenry inductor?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G5C11 is 70 millihenries.
The key fact is 70 millihenries. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.