Current Electricity Class 12 Notes

An electric current is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons such as in an ionised gas (plasma). Know More about these in Current Electricity Class 12 Notes.

The topics and sub-topics covered in Current Electricity Class 12 Notes are:

3.1 Introduction

3.2 Electric Current

3.3 Electric Currents in Conductors

3.4 Ohm’s Law

3.5 Drift of Electrons and the Origin of Resistivity

3.5.1 Mobility

3.6 Limitations of Ohm’s Law

3.7 Resistivity of Various Materials

3.8 Temperature Dependence of Resistivity

3.9 Electrical Energy, Power

3.10 Combination of Resistors – Series and Parallel

3.11 Cells, Emf, Internal Resistance

3.12 Cells in Series and In Parallel

3.13 Kirchhoff’s Rules

3.14 Wheatstone Bridge

3.15 Meter Bridge

3.16 Potentiometer.

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