GATE IN · 2019 · IN
Question 36: Digital Electronics
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Question 36
INMCQ2 marksNeeds review
In the circuit below, the light dependent resistor (LDR) receives light from the LED. The LDR has resistances of 5 kΩ and 500 Ω under dark and illuminated conditions, respectively. The LED

is OFF at time
. At time
s, the switch
is closed for 1 ms and then kept open thereafter. Assuming zero propagation delay in the devices, the LEDYour answerChoose one option.
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2019IN
GATE IN 2019 · Paper 1
Instrumentation Engineering · Original paper archive
- Section
- Instrumentation Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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