| Objective : To plot forward Characteristics of a Selenium Photocell & to verify Inverse Square Law of light. |
| Specifications : |
| Selenium Photo cell (at 515) mounted in metal box, |
| light source with 60W lamp (L 527), Photo Cell Kit (P 527) with |
| DC microammeter of 1000 µA & DC Millivoltmeter of 500 mV |
| mounted behind the panel, connections of Supplies, meters are brought out on |
| front panel |
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