Current Electricity

This topic covers the concept of Electric Current.

This topic covers the concept of Conductors.

This topic covers concepts such as Potential Difference, Resistance, Ohm's Law, Ohm's Law in Vector Form, Electric Current Density, Resistance of a Wire, and Resistivity.

This topic covers concepts such as Microscopic View of Electric Current, Drift Velocity, Mobility of Electron, Relation between Drift Velocity and Electric Current, Conductivity, Average Velocity of Electron in the Absence of Electric Field, etc.

This topic covers concepts such as Ohmic Resistance and Non Ohmic Resistance.

This topic covers concepts such as Materials, Classification of Materials, Insulators, Semiconductors, Resistivity of Various Materials, Types of Resistors, Wire Bound Resistors, and Carbon Resistors.

This topic covers concepts such as Color Code of Carbon Resistor and Tolerance of Carbon Resistor.

This topic covers concepts such as Temperature Effect on Resistivity, Resistivity versus Temperature for Conductor, Resistivity versus Temperature for Alloy (Nichrome), and Resistivity versus Temperature for Semiconductor.

This topic covers concepts such as Electric Power, Heat Produced in an Electrical Resistance, and Power Transmission.

This topic covers concepts such as Combination of Resistors, Parallel Combination of Resistors, Series Combination of Resistors, Distribution of Potential Difference among Resistors in Series, Equivalent Resistance in Series Combination, etc.

This topic covers concepts such as Electric Cell, Potential Difference across Terminals of Battery Getting Discharged, Potential Difference across Terminals of Battery Getting Charged, Electromotive Force, Internal Resistances of Cell, etc.

This topic covers concepts such as Grouping of Cells, Series Grouping of Cells, and Parallel Grouping of Cells.

This topic covers concepts such as Kirchhoff's Law, Kirchhoff's First Law, Kirchhoff's Second Law, Method to Solve Complex Circuit Using Kirchhoff's Law, and Finding Potential Difference between Two Points in an Electrical Circuit.

This topic covers concepts such as Wheatstone Bridge, Balanced Wheatstone Bridge, and Unbalanced Wheatstone Bridge.

This topic covers the concept of Meter Bridge.

This topic covers concepts such as Potentiometer, To Find EMF of an Unknown Battery Using Potentiometer, To Compare EMFs of Two Unknown Batteries Using Potentiometer, and To Find Internal Resistance of an Unknown Battery Using Potentiometer.