A Light Emitting Diode Emits Light When

question 11

Multiple Choice

A light emitting diode emits light when:

• A)electrons are excited from the valence to the conduction band
• B)electrons from the conduction band recombine with holes from the valence band
• C)electrons collide with atoms
• D)electrons are accelerated by the electric field in the depletion region
• E)the junction gets hot

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