Lamp Unit :- To show qualitatively energy conversion from one form of energy to another in different ways. The kit comprises a number of separately available units. All units are mounted on a 160 x 140 mm base and have 4 mm socket terminals where needed.With 3 M.E.S. Iamp sockets connected in parallel, on base with terminals, with three lamps of 1,25 V,0.25 A