22) Which purpose the cadmium sulfide cells (CDS cells) are used?
Answer is:
Light dependent resistor
Related Opto Electronics MCQ with Answers
Answer is:
By IR light produced inside the package
Answer is:
Ohmmeter
25) Which electronic device inversely changes its resistance with the amount of light falling on it?
Answer is:
Photo resistors
Answer is:
Resistance will increase to around 1 Mega Ohm
