Questions with detailed step by step solutions from Current Electricity

Topics covered under Current Electricity
Electric current, Drift velocity, Ohm’s law, Electrical resistance, Resistances of different materials, V-I characteristics of Ohmic and nonohmic conductors, Electrical energy and power, Electrical resistivity, Colour code for resistors, Series and parallel combinations of resistors, Temperature dependence of resistance. Electric Cell and its Internal resistance, potential difference and emf of a cell, combination of cells in series and in parallel, Kirchhoff’s laws and their applications, Wheatstone bridge, Meter bridge, Potentiometer - principle and its applications.
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