In: Electrical Engineering
1)Name 4 physical phenomena that light can have on some devices, so these devices can be used as light sensor.
2)What is the LDR sensor and what is the effect of light on this device?
3)What is the main difference in structure of PIN Photodiode and standard PN photodiode (photovoltaic cell)? What is the advantage of PIN over PN?
4) Which kind of sensors, is the characteristics of the PIN photodiode similar to?
5) If we increase voltage in a bulb, its temperature rises due to two reasons. Mention these two reasons.