Question: An unknown wire in a circuit has a circular cross-section with a diameter of 3.5 mm. It carries a current of 8.9 mA. rent dens

An unknown wire in a circuit has a circular cross-section with a diameter of 3.5 mm. It carries a current of 8.9 mA. rent dens in milliamperes per square centimeter, in this wire? 33%

Part (a) What is the J= 92.505 J= 92.51 ✓ Correct! 33%

Part (b) If you assume the drift velocity in this wire is 1 x 10-2 cm/s, what is the density of charge carried per cubic centimeter? n=5.77434 * 1019 n= 5.774E+19 Correct! > A 33%

Part (c) If the conductivity in this wire is 3.5 x 106 0-1 m-?, what is the average time between collisions, in nanoseconds?

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