The longer lead of LED is and has polarity. (2024)

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Which of the following is not true about LED?There are two wires (called leads) attached to an LED.While connecting to a circuit, the longer lead of LED is always connected to the positive terminal of the battery.While connecting to a circuit, the shorter Chapter 1 Are Insects Attracted to LED Light? - LEDspan Is the Black Wire Positive or Negative? How to Tell Electrical Wires Apart

Light Emitting Diode

The longer le...

A

anode, negative

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B

anode, positive

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C

cathode, negative

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D

cathode, positive

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Solution

The correct option is B anode, positive
The LED has two leads: longer lead and shorter lead. Longer lead is the positive terminal of LED called anode and the shorter lead is the cathode which has negative polarity.

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