The ignition system of an automobile produces sparks to ignite the fuel in the engine. during each spark process, charges suddenly accelerate through a spark plug wire and across a spark plug's narrow gap. sometimes this process introduces noise into your radio reception. why?
as charge accelerates through the spark plug wires they are emitting radio waves.
as charge accelerates through the spark plug wires they are emitting a changing electric field as well as a changing magnetic field.
as charge accelerates through the spark plug wires they are emitting an electromagnetic wave.
all of the above choices are correct.
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