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  1. G

    help with photocells

    i need imediate help for an assessment task on photocells if you can help me with this question i would be very appreciative describe and explain fully how photocells work including a fully labeeled diagram listing parts, showing electron flow direction, holes direction and current flow...
  2. G

    a lil help?

    i also need some help for an assessment task about photocells including a picture any help would be appreciated describe and explain how photocells(photodetectors) work include a picture showing parts, electron flow, holes direction and current flow direction
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