Which of the following is an example of EMI?
A)A technician shares technical information using technical jargon so much that the customer is confused.
B)A technician performs maintenance that extends the life of the PC.
C)A component is weakened because a technician touched it.
D)A speaker crackles whenever a cell phone is near the PC.

Question

Quizplus · Accepted Answer

EMI (Electromagnetic Interference) is the disturbance caused by electromagnetic radiation from an external source interfering with the operation of electronic devices. In this case, the cell phone's electromagnetic radiation is causing interference with the speaker, resulting in crackling sounds.

Which of the Following Is an Example of EMI