**Current Electricity**

Get the chapter notes on Current Electricity (Part I) of CBSE Class 12 Physics. In this article, we have covered the following topics and sub-topics for the chapter electricity.

- Electric Current
- Resistance
- Resistivity
- Current Density
- Ohm’s Law and Mathematical Expression for Current Density
- Limitations of Ohm’s Law
- Drift Velocity and Mobility of Electrons
- Colour Coding of Carbon Resistors
- Temperature Dependence of Resistivity
- and Electrical Energy & Power

This is the third chapter of CBSE Class 12th Physics NCERT book, where, so many concpets have been covered which are very much important from the point of board examination as well as competitive examinations. In this article, we have only covered some of them mentioned above.

Given below are the study material for the chapter current electricity which have been written in a very simple language to make the concepts easy to understand.

**Introduction**

**Electric Current**

**Also refer: Current Electricity-Important Questions & Preparation Tips**

**Resistance, Resistivity & Current Density**

**Ohm’s Law and Mathematical Expression for Current Density**

**Limitations of Ohm’s Law**

**Also refer: Current Electricity - CBSE Class 12th NCERT Solution**

**Drift Velocity and Mobility of Electrons**

**Also refer: CBSE Class 12th Videos**

**Colour Coding of Carbon Resistors**

**Also refer: CBSE Class 12th Physics Question Paper**

**Temperature Dependence of Resistivity**

**Also refer: CBSE Class 12th Marking Scheme - 2016**

**Electrical Energy & Power**

**Click here, to get the CBSE Class 12th Physics Notes: Current Electricity (Part – II)**