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Tag: physics

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

Isotope

5 Jul 20225 Jul 2022
Atoms of the same element but has different mass numbers
Section

Mass number

5 Jul 20225 Jul 2022
Sum of neutrons and protons in the nucleus of an atom
Section

Atomic number

5 Jul 20225 Jul 2022
Refers to number of protons in the nucleus
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…

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