The colour of light emitted by LED depends on.

Its reverse bias

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The amount of forward current

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Its forward bias

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Type of semiconductor material

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Solution

The correct option is B Type of semiconductor material
LEDs are light emitting diodes which are semiconductors that convert electrical energy into the light energy. The color of the emitted light depends on the type of semiconductor material. Depending on which LEDs can be classified into three wavelengths: ultraviolet, visible and infrared.

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