(b) A thin film of carbon is used as a resistor, with conducting wires connected

Question

(b) A thin film of carbon is used as a resistor, with conducting wires connected between opposite faces as in drawing A above. The lengthlof the film is 0.0100 m, the widthwis 0.00628 m, and the film is to have a resistance of 500.?.

b) A thin film of carbon is used as a resistor, with conducting wires connected between opposite faces as in drawing A above. The lengthlof the film is 0.0100 m, the widthwis 0.00628 m, and the film is to have a resistance of 500.?. Calculate the required thicknesstof the film.(The resistivity for carbon is 3.5x10^-5?m.)

Explanation / Answer

1.1146 * 10^(-7) m 3 sig figure 1.12*10^(-7) m

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