CAT NO: DIDACTICNLE-Export-013016
Plank's Constant Apparatus For Electrical Lab Training Workshop.
Objective:- To Plot Forward & Reverse Chat of a Vacuum Photo cell & to Calculate its stopping potential.
Features:-
Dual Range Power upply 0-1VDC/0-50 VDC with one dual range voltmeter
& one sensitive centre zero Galvanometer of 25µA movement.Photo Cell
mounted in wooden box having window for injectinf light & also for
sliding the various filters. One wooden Plank with 1/2 meter scale,
light source with 100W lamp 7 set of filters.