The magneto air gap is a precision measurement that's taken between the

Aedge of the flywheel and the ignition coil armature.
Btwo breaker point contacts.
Cspark plug terminal and the ignition coil.
Dcenter electrode and the grounding electrode of a spark plug

Verified Answer :

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.