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2 years ago

At what temperature will aluminum have a resistivity that is three times the resistivity copper has at room temperature?

1 answer:

8 0

The temperature that the aluminum will have a resistivity that is three times the resistivity copper has at room temperature is 227°C.

<h3>How to calculate the temperature?</h3>

It should be noted that the temperature of resistivity is given as:

p(t) = p(20°C) (1 + (t - 20°C)

The resistivity at room temperature is illustrated as:

pCu(20°C) = 1.68 × 10^-8

pAl(20°C) = 2.65 × 10^-8

Therefore, the equation will be:

3 × 1.68 × 10^-8 = 2.65 × 10^-8(1 + 0.00435(t - 20°C)

0.902 = 0.00435(t - 20°C)

t = 20 + 207

t = 227°C

Therefore, the temperature is 227°C.

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3 years ago

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