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Answer to Question #26733 in Electric Circuits for mariz conde

Question #26733
a certain conductor has a resistance of 10 ohms at 20 degree C and increased to 11.35 ohms at a certain temperature. if temperature coefficient based on 20 degree C is 40 x 10 E -4 / C degree, find the final temperature
a certain conductor has a resistance of 10 ohms at 20 degree C and increased
to 11.35 ohms at a certain temperature. if temperature coefficient based on
20 degree C is 40 x 10 E -4 / C degree, find the final temperature

As the resistance difference of a conductor is

& Delta;R = 11.35[&Omega;] - 10[&Omega;] = 1.35[&Omega;]

the temperature difference is

& Delta;t = 1.35[&Omega;] / 0.0040 [&Omega;/&deg;C] = 337.5[&deg;C].

Therefore, the final temperature of a conductor is

T = 20[&deg;C] + 337.5[&deg;C] = 357.5[&deg;C].

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