Conduction of Heat App (Four Metal App)

SPECIFICATION

• A metal Box (20 x 12.5 x 5 cm) has 4 apertures on one side through 
• which rods of Fe, Brass, Cu, Al(of size 5” x 5/32”) pass. 
• The outer end of each rod has a cavity in which a lump of paraffin with a low melting point is to be placed. 
• When hot water is put in the box, 
• the different metal melts the paraffin at different rates.