Light, Time and Vacuum
Why does the light needs time to travel through vacuum?Is there something makes it needs time? How did we prove that there is nothing in vacuum? Answer: When there is no medium, there is nothing to...
View Articlephotodiode sensor
i want to make a sensor using photodiodes. here photodiodes are connecting parallel and to each photodiode i have to put a load resistance. how can we calculate the value of photo diode? on what basis...
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