Eli5: what is the high pitched whine when electric motors work?

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Eli5: what is the high pitched whine when electric motors work?

In: Engineering

2 Answers

Anonymous 0 Comments

It’s just the motor running at speed. Think of driving your car and as your engine revs up before switching gears, the engine pitch gets higher. The same thing goes for electric motors. But as they can rotate at a higher rpm (usually) the pitch will be higher. Especially since they tend to be smaller than gas motors

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