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Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 7 (Q.No. 22)
Communication Systems
22.
In Vidicon camera tube, the resistance of photoconductive material on the target plate
is constant
is more in darkness and less in brightness
is more in brightness but less in darkness and brightness
may be more or less in darkness and brightness
Answer: Option
Explanation:

Light dependent resistor (LDR) has high resistance in darkness and low resistance in brightness.

Discussion:
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