Post Office Box Platform

Nvis 6041 Post Office Box Platform is the combination of resistances which work on the principle of Wheatstone Bridge. Post Office Box is helpful in physics experiment to determine the unknown resistance of wires like Constantan and Nichrome etc. With the help of Nvis 6041, the student can learn the principle of Post Office Box and its working. It can determine the specific resistance of different types of wire. Post Office Box can also verify the combination of resistance in series and parallel.