SarkariPYQ

SSC Selection Post 2019 PYQ — Question 44

SSC Selection Post - Graduation Level 2019 - 16 Oct 2019 • General Awareness • Q44

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Photoreceptors of a printer or a photocopy machine is made of which element?

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Correct answer: C

Explanation

The correct answer is Option 3 i.e. Amorphous Silicon.

  • Amorphous Silicon is a non-crystalline form of silicon used in photoreceptors.

  • It is light-sensitive and changes its electrical properties under light exposure.

  • Commonly used in copiers, laser printers, and solar cells.

  • It enables electrostatic imaging and printing processes.