Q. When a light dependent resistor is kept in dark, its resistance is very__

A
Low
B
High
C
Zero
D
None of these
Solution:
  • LDR’s are light dependent devices whose resistance is decreased when light falls on them and that is increased in the dark.
  • When a light dependent resistor is kept in dark, its resistance is very high.
  • This resistance is called as dark resistance.
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