what is the principle of photo cell
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The working process of the photocell is similar to the principle of the direct reflection photocell (R2) with the remark that the beam of the light source is focused on a certain distance. The reflection occur when the object is exactly in the focus. The receiver responds and detect the object.
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Ello..✌✌
Photo cell is an electronic device which works on the principle of the photoelectric effect and converts light energy into electrical energy.
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