Electric current, drift velocity, mobility and their relation with electric current, Ohm’s law, electrical
resistance, conductance, resistivity, conductivity, effect of temperature on resistance, VI characteristics (linear and non-linear), electrical energy and power, carbon resistors, colour code of carbon resistors, combinations of resistors in series and parallel.
EMF and potential difference, internal resistance of a cell, combination of cells in series and parallel, Kirchhoff’s laws and simple applications. Wheatstone bridge and meter bridge. Potentiometer-Principle and its applications to measure potential difference and for comparing EMF of two cells; measurement of internal resistance of a cell.
9-electrodynamics_merged.pdf