E6F07:What is a solid-state relay?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E6F07 is A device that uses semiconductors to implement the functions of an electromechanical relay.
The key fact is A device that uses semiconductors to implement the functions of an electromechanical relay. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.