Description
Amtech India’s Planks Constant Apparatus is used to plot Forward & Reverse Characteristics of a Vacuum Photocell & to Calculate its stopping Potential. It incorporates a dual-range power supply 0-1VDC/ 0-50 VDC with one dual-range voltmeter & one sensitive micrometer of 100μA. Photocell mounted in wooden box having window for injecting light,
variable intensity light source & three colored filters.
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