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 on an oscilloscope display that represents the duration of the spark as it occurs across the spark plug gap in an engine's ignition system.

The ____ Is a Horizontal Line That Begins at the Voltage