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## Class 12 Physics (India)

### Course: Class 12 Physics (India) > Unit 3

Lesson 3: Resistivity, and Ohm's law- Introduction to circuits and Ohm's law
- Resistivity and conductivity
- Current, resistance, and resistivity review
- Electric potential difference and Ohm's law review
- Factors affecting resistance (basic)
- Calculating resistance, voltage, and current using Ohm's law
- Ohm's law: vector form
- Conductivity and resistivity: Ohm's law
- Temperature dependence of resistivity
- Resistivity vs. temperature: conductors and semiconductors

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# Temperature dependence of resistivity

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