Discussion :: Communication Systems
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In Vidicon camera tube, the resistance of photoconductive material on the target plate
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A.
is constant
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B.
is more in darkness and less in brightness
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C.
is more in brightness but less in darkness and brightness
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D.
may be more or less in darkness and brightness
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Answer : Option B
Explanation :
Light dependent resistor (LDR) has high resistance in darkness and low resistance in brightness.
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