When looking at an injector voltage with an oscilloscope, what event often follows removing power from the coil windings?

Name: When looking at an injector voltage with an oscilloscope, what event often follows removing power from the coil windings?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

When power is removed from the coil windings of an injector, the magnetic field collapses and can cause a voltage spike as the current flows back into the circuit. This can be seen on an oscilloscope as a sharp spike in voltage.

When Looking at an Injector Voltage with an Oscilloscope, What