T5D04:What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?
Direct answer summary (2026-2030 NCVEC pool)
The official correct answer for T5D04 is 30 ohms.
The key fact is 30 ohms. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.