A. Aluminium
B. Selenium
C. Barium
D. None of these
Submitted by: Abid Hussain
The photoreceptor drum in the heart of the system is basically a metal roller covered by a layer of photoconductive material. This layer is made out of a semiconductor such as selenium, germanium or silicon.
Correct Answer: Selenium ✔
Last Updated: January 25, 2022