Which semiconductor device converts electrical energy into light?

  • A
    Solar cell
  • B
    Photodiode
  • C
    Varactor diode
  • D
    $LED$

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Similar Questions

$A$ photodiode is a device

The $I-V$ characteristics of a photodiode for different illumination intensities $I_1, I_2, I_3$ and $I_4$ are shown in the figure. Which of the following represents the maximum intensity?

$A$ photodetector is fabricated from a semiconductor with a band gap $E_g = 0.73 \, eV$. What is the maximum wavelength (in $nm$) it can detect?

The schematic symbol of a light emitting diode $(LED)$ is:

To measure light intensity,we use:

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