A hormal conductor has the following characteristics: Resistivity at 20°C po = 7.21 × 10-8Nm 0.0034 () Temperature coefficient a What is the resistivity of this conductor at a temperature T= Calculate the answer as a multiple of 10 Nm rounded off to 2 decimal places but do not include the -33°C ?

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Chapter1: Units, Trigonometry. And Vectors
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**Characteristics of a Normal Conductor**

A normal conductor has the following characteristics:

- **Resistivity at 20°C (\( \rho_0 \))**: \( 7.21 \times 10^{-8} \, \Omega \cdot m \)
- **Temperature coefficient (\( \alpha \))**: \( 0.0034 \, \left(\frac{1}{°C}\right) \)

**Problem Statement**

What is the resistivity of this conductor at a temperature \( T = -33°C \)? Calculate the answer as a multiple of \( 10^{-8} \, \Omega \cdot m \) rounded off to 2 decimal places but do not include the unit.
Transcribed Image Text:**Characteristics of a Normal Conductor** A normal conductor has the following characteristics: - **Resistivity at 20°C (\( \rho_0 \))**: \( 7.21 \times 10^{-8} \, \Omega \cdot m \) - **Temperature coefficient (\( \alpha \))**: \( 0.0034 \, \left(\frac{1}{°C}\right) \) **Problem Statement** What is the resistivity of this conductor at a temperature \( T = -33°C \)? Calculate the answer as a multiple of \( 10^{-8} \, \Omega \cdot m \) rounded off to 2 decimal places but do not include the unit.
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