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Light Emitting Diode

The longer le...

Question

The longer lead of LED is ___ and has polarity.

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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