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What is Polarity
What is Polarity
What is Polarity

What is Polarity

What is Polarity?

Polarity means that electricity can only go one direction through something.

LEDs have polarity - the longer terminal goes to the red battery pack wire.
Buzzers have polarity - the red wire matches the red wire of the battery pack.
Motors do not have polarity - switching the wires will change the motor's rotation.
Switches do not have polarity - they simply allow electricity to pass through or not.

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