A silicon ribbon measuring 100 micron thick, 5 mm wide, and 1 m long has 5 volts applied across its long dimension. The resistivity of silicon is 640 ohm-m. How much current will flow through the ribbon? Express your answer in Amps
3 answers
show you tried and I'll give you an hint ok?
http://en.wikipedia.org/wiki/Electrical_resistivity_and_conductivity
3.906*10^-9 - correct