Resistor-Type Spark Plugs Are Being Discussed

Resistor-type spark plugs are being discussed. Technician A says the resistor increases the plug firing voltage. Technician B says the resistor helps reduce radio frequency interference (RFI) , which can interfere with, or damage, radios, computers, and other electronic accessories, such as GPS systems. Who is correct?

A) A only
B) B only
C) both A and B
D) neither A nor B

Correct Answer:

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