The wavelength (or colour) of light emitted by an LED depends on the energy gap of the semiconductor material. The intensity of light depends on the forward bias current; a higher forward current produces greater light intensity.
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प्रश्न
The wavelength and intensity of light emitted by a LED depend upon ______.
पर्याय
forward bias and energy gap of the semiconductor.
energy gap of the semiconductor and reverse bias.
energy gap only.
forward bias only.
MCQ
रिकाम्या जागा भरा
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उत्तर
The wavelength and intensity of light emitted by a LED depend upon energy gap of the semiconductor and reverse bias.
Explanation:
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संबंधित प्रश्न
How is a Zener diode fabricated?
If a small voltage is applied to a p-n junction diode, how will the barrier potential be affected when it is(ii) reveres biased?
Using the necessary circuit diagrams, show how the V-I characteristics of a p-n junction are obtained in
Forward biasing
How are these characteristics made use of in rectification?
Using the necessary circuit diagrams, show how the V-I characteristics of a p-n junction are obtained in
Reverse biasing
How are these characteristics made use of in rectification?
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