E5B01:What is the term for the time required for the capacitor in an RC circuit to be charged to 63.2% of the applied voltage or to discharge to 36.8% of its initial voltage?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E5B01 is One time constant.
The key fact is One time constant. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.