Oleepari

earth's magnetic field and magnetic elements. magnetic field lines bar magnet as an equivalent solenoid magnetic dipole moment of a revolving electron current loop as a magnetic dipole and its magnetic force and acceleration. elementary idea of conser momentum inertia and mass inertia of a body action and reaction forces newton’s laws of motion force and newton’s laws : force and motion dimensional analysis and its applications. significant figures. dimensions of physical quanti errors in measurement accuracy and precision of measuring instruments mass and time measurements fundamental and derived units. length si units systems of units nits and measurements need for measurement: units i and r v interrelation between p parallel combination of resistors and its applicat factors on which the resistance of a conductor dep resistivity resistance potential difference and electric current. ohm’s l electric current