Resistivity of Various Materials – Class 12 | Chapter – 3 | Physics Short Notes Series PDF for NEET & JEE

Resistivity of Various Materials: The resistivity of a material is a measure of its resistance to the flow of electric current, and is an intrinsic property of the material. The resistivity of different materials can vary widely, and is influenced by factors such as temperature, impurities, and the structure of the material.

Examples of Resistivity of Various Materials

Here are some examples of the resistivity of common materials:

• Copper: Copper is an excellent conductor of electricity, with a resistivity of approximately 1.7 x 10^-8 Ωm at room temperature.
• Aluminum: Aluminum is also a good conductor of electricity, with a resistivity of about 2.7 x 10^-8 Ωm at room temperature.
• Silver: Silver is the best conductor of electricity among all elements, with a resistivity of 1.59 x 10^-8 Ωm at room temperature.
• Gold: Gold is a good conductor of electricity, with a resistivity of 2.44 x 10^-8 Ωm at room temperature.
• Silicon: Silicon is a semiconductor, with a resistivity of approximately 1-100 Ωm at room temperature.
• Glass: Glass is an insulator, with a very high resistivity of approximately 1013-1014 Ωm.
• Tungsten: Tungsten is a metal with a relatively high resistivity of approximately 5 x 10^-8 Ωm at room temperature.

• Germanium: Germanium is a semiconductor with a resistivity of approximately 4 x 10^-1 Ωm at room temperature.

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By Team Learning Mantras