Respuesta :
The best and most correct answer among the choices provided by the question is the fourth choice. The magneto air gap is a precision measurement that's taken between the center electrode and the grounding electrode of a spark plug. I hope my answer has come to your help. God bless and have a nice day ahead!
Answer: option a) "edge of the flywheel and the ignition coil armature"
is correct.
Explanation:
A heat engine contains a type of electronic ignition system that consists of a magnetic flywheel and a coil . When the flywheel is in motion , it triggers the coil to produce charge that is sent to spark plug to create fire in the heat engine.