Electric Current and Circuit

This topic covers concepts such as Electric Current, Unit of Current, Ammeter, Milliampere, Conversion of Ampere to Milliampere, Microampere, Conversion of Ampere to Microampere and Current Flow through Wire.

This topic covers concepts such as Potential Difference, Volt as Unit of Potential Difference, Electric Potential, Electric Cells, Electric Field and Analogy of Electric Current with Water Flow.

This topic covers concepts such as Ohm's Law, V-I Graph, Rheostat, Resistor, Verification of Ohm's Law Using Voltmeter and Ammeter.

This topic covers concepts such as Dependence of Resistance on Length of Conductor, Dependence of Resistance on Area of Cross-section, Dependence of Resistance on Nature of Material, Electrical Resistivity and Electrical Conductivity.

This topic covers concepts such as Kirchhoff's Law, Kirchhoff's First Law, Kirchhoff's Second Law, Resistors in Series, Equivalent Resistance in Series Combination, Distribution of Potential in Series Resistors, etc.

This topic covers concepts such as Calculation of Heat Produced in a Resistor, Electric Power, Calculation of Electric Power Used and Joule's Law of Heating.

This topic covers concepts such as DC Current, AC Current, Domestic Electric Circuit, Schematic Diagram of Common Domestic Circuits, Earth Wire, Live Wire, Neutral Wire and Short-Circuiting.