Section Net magnetization vector 6 Jul 20226 Jul 2022 Two theories – classical and quantum theory Classical theory Based on the direction of magnetic momentsParallel alignment: magnetic moments align parallel to external magnetic fieldAnti-parallel alignment: magnetic moment align opposite…
Section MR active nuclei 6 Jul 20226 Jul 2022 Nuclei having odd number of protonsHave odd mass numberExamples: hydrogen 1, carbon 13, nitrogen 15, oxygen 17, fluorine 19, sodium 23Hydrogen 1, also known as protium is the active nuclei…
Section Motion in an atom 5 Jul 20225 Jul 2022 Electrons spinning on their own axisElectrons orbiting the nucleusNucleons spinning in their own axes
Section Ion and Ionization 5 Jul 20225 Jul 2022 Ion Atoms with deficit or excess number of electrons Ionization Process of removing electrons from an atom
Section Stable atom 5 Jul 20225 Jul 2022 Number of negative charged electrons equals number of positively charged protons
Section Atom 5 Jul 20225 Jul 2022 Contains the following particlesProtons: in the nucleus. Have positive chargeNeutrons: in the nucleus. No chargeElectrons: orbits the nucleus. Have negative charge
Section Faraday’s law of induction 5 Jul 20225 Jul 2022 Change in magnetic flux inside a closed circuit induces and electromotive forceThis force is proportional to rate of change of magnetic field, area of circuit and number of turns in…
Section Induced electric current 5 Jul 20225 Jul 2022 Magnetic fields can generate electric currentsWhen a magnet is moved in and out of a circuit, an electric current is induced till the motion stops.
Section Fleming’s right-hand rule 5 Jul 20225 Jul 2022 A moving charge or an electric current can generate a magnetic fieldPoint your right thumb along the direction of the current, then the curled fingers will point to the direction…