Description

Conducting putty is a useful aid to teaching resistivity and the relationship between length and cross-sectional area on resistance.?The kit contains a?60mm long and 20mm in diameter cylinder?which?has a resistance of approximately 20O. Can readily be connected into an electrical circuit and both length and diameter can easily be altered by ?re-moulding? the putty. Approx. 100g.? ( 251-415 )