Current Electricity

This topic covers concepts such as Electric Current, Classification of Materials, Insulators, Semiconductors, Superconductors, Potential Difference, Charge Flown when Current Is Constant, and Charge Flown when Current Is Variable.

This topic covers concepts such as Resistance, Resistance of a Wire, Resistivity, Resistivity of Various Materials, Conductivity, Resistance of a Wire of Uniform Cross-section, and Resistance of a Wire of Non Uniform Cross-section.

This topic covers concepts such as Electric Circuit, Ohm's Law, Ohm's Law in Vector Form, Ohmic Resistance, Non Ohmic Resistance, Microscopic View of Electric Current, Drift Velocity, and Mobility of Electron.

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, Power Supplied by a Battery, Power Consumed by a Battery, Heat Produced in an Electrical Resistance, Maximum Power Theorem, Rating of Electric Bulb, Fuse, Electric Heater, and Power Transmission.

This topic covers concepts such as Methods of Finding Current in Simple Circuit, Kirchhoff's Law, Kirchhoff's First Law, Kirchhoff's Second Law, Method to Solve Complex Circuit Using Kirchhoff's Law, and Short-circuiting.

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, and Equivalent Resistance in Series Combination.

This topic covers concepts such as Electric Cell, Primary Electric Battery, Secondary Electric Battery, Emf of an Electric Battery, and Potential Difference across Terminals of Battery Getting Discharged.

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

This topic covers concepts such as Electrical Instruments, Wheatstone Bridge, Balanced Wheatstone Bridge, Unbalanced Wheatstone Bridge, and Sensitivity of Wheatstone Bridge.

This topic covers concepts such as Meter Bridge, Sensitivity of Meter Bridge Experiment, Post Office Box, Sensitivity of Post Office Box Experiment, Limitation of Meter Bridge, Construction of Meter Bridge, and Precautions While Using 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.

This topic covers concepts such as Ammeter, Voltmeter, Conversion of Galvanometer into an Ammeter, Conversion of an Ammeter to a Higher Range Ammeter, and Conversion of Galvanometer into a Voltmeter.

This topic covers concepts such as R-C Circuit, Charging of a Capacitor in R-C Circuit, Charging Current in R-C Circuit, Discharging of a Capacitor in R-C Circuit, and Time Constant of R-C Circuit.

This topic covers concepts such as Thermoelectricity, Seebeck Effect, Peltier Effect, Thomson Effect, Thermocouple, Thermistor, Applications of Seebeck Effect, Positive Thomson Effect, and Negative Thomson Effect.