explain the construction and working of photoelectric cell? with diagram
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explain the construction and working of photoelectric cell? with diagram
explain the construction and working of photoelectric cell? with diagram
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Answer:
Photoelectric cell consists of highly evacuated or gas filled glass tube, an emitter and a collector. The light enters through a quartz window and falls on the semicylindrical cathode C coated with photosensitive metal. The anode is in the form of straight wire of platinum or nickel, co-axial with cathode.