Everyday Science
NULL
Medium
Question
A classic photocopier drum coating is often based on: _________?
A
Aluminium
B
Selenium
✓ Official correct answer
C
Barium
D
None of these
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
Aluminium
No member explanations yet for this option.
B
Selenium
No member explanations yet for this option.
C
Barium
No member explanations yet for this option.
D
None of these
No member explanations yet for this option.
Explanation
Traditional photoconductor drums used selenium.
So the correct answer is Selenium.
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