Problem: The resistivity of gold is 2.44 x 10 -8 Ω•m at a temperature of 20°C. A gold wire, 1.4 mm in diameter and 17 cm long, carries a current of 190 ma. The power dissipated in the wire is closest to: A) 0.043 mW B) 0.079 mW C) 0.061 mW D) 0.024 mW E) 0.097 mW

🤓 Based on our data, we think this question is relevant for Professor Coutu's class at PSU.

Problem Details

The resistivity of gold is 2.44 x 10 -8 Ω•m at a temperature of 20°C. A gold wire, 1.4 mm in diameter and 17 cm long, carries a current of 190 ma. The power dissipated in the wire is closest to:

A) 0.043 mW

B) 0.079 mW

C) 0.061 mW

D) 0.024 mW

E) 0.097 mW

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Based on our data, we think this problem is relevant for Professor Coutu's class at PSU.