The ____ is a horizontal line that begins at the voltage level where electrons start to flow across the spark plug gap.
A) carbon trail
B) spark line
C) firing line
D) hard fault

Question

Quizplus · Accepted Answer

The correct term is "spark line," which refers to the horizontal line in an oscilloscope waveform that represents the duration of the spark across the spark plug gap in an ignition system.

The ____ Is a Horizontal Line That Begins at the Voltage