NEET UG syllabus CE

UNIT II: Current Electricity ? Electric current, flow of electric charges in a metallic conductor, drift velocity and mobility, and their relation with electric current; Ohm’s law, electrical resistance, V-I characteristics (liner and non-linear), electrical energy and power, electrical resistivity and conductivity. ? Carbon resistors, colour code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance. ? Internal resistance of a cell, potential difference and emf of a cell, combination of cells in series and in parallel. ? Kirchhoff’s laws and simple applications. Wheatstone bridge, metre bridge. ? Potentiometer-principle and applications to measure potential difference, and for comparing emf of two cells;

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