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An iron wire has a resistance of 12 Ohms at 20.0 c and amass of 1.2 x 10^-3 kg. A current of 0.10A is sent through the wire for one minute and the...

This question was answered on May 13, 2010. View the Answer
An iron wire has a resistance of 12 Ohms at 20.0 c and amass of 1.2 x 10^-3 kg. A current of 0.10A is sent through the wire for one minute and the wire becomes hot. Assuming that only 80% of the electrical energy is dissipated through the wire and remains there, find the final temperature of the wire. Note specific heat capacity of iron is 452 J/kg C ?
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This question was asked on May 11, 2010 and answered on May 13, 2010.

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