Magnetic Materials — Class 12 Maharashtra HSC Physics revision notes
A 6-page visual revision sheet for Magnetic Materials, written for Class 12 Maharashtra HSC Physics. Formulas, diagrams and the traps that cost marks, laid out to be read the night before rather than the term before. Free, and it opens inside CapCompass.
What this Magnetic Materials sheet covers
- torque on a magnetic dipole
- Torque on a magnetic dipole in a uniform field
- torque, theta between m and B
- magnitude
- potential energy of a dipole in a magnetic field
- Potential energy of a magnetic dipole
- general angle theta
- theta=0, m parallel to B
- theta=90 degrees, m perpendicular to B
- theta=180 degrees, m antiparallel to B
- oscillations of a bar magnet
- vibration magnetometer
- Small oscillations of a suspended magnet
- time period of a bar magnet
- Time period of oscillation
- angular frequency
- time period
- origin of magnetism
- Where magnetism in materials comes from
- magnetization
- magnetic moment per unit volume
- field inside the material, driven by both the winding and the material
- magnetic susceptibility
- relative permeability
- Magnetic intensity, susceptibility and permeability
- magnetic intensity
- susceptibility, when M is proportional to H
- permeability, and B in terms of H
- Poles of a current loop
- diamagnetism
- diamagnetic materials
- paramagnetism
- paramagnetic materials
- curie's law
- magnetization of a paramagnetic material
- susceptibility
- Diamagnetic vs paramagnetic
- Diamagnetic
- Paramagnetic
- ferromagnetism
- domain theory
- Ferromagnetism and the domain theory
- curie temperature
- Curie-Weiss law, above the Curie temperature T_C
- hysteresis
- hysteresis loop
- Soft vs hard ferromagnetic material
- Soft (e.g. soft iron)
- Hard (e.g. steel, alnico)
- permanent magnet
- electromagnet
- Permanent magnets and electromagnets
- magnetic shielding
- Symbols
- Traps that cost marks
- Tricks that save time
How CapCompass uses this sheet
These notes are not a standalone PDF. CapCompass plans Physics chapter by chapter against your real exam dates and free hours, and when the plan reaches Magnetic Materials the sheet opens inside the study block itself — at the page covering the sub-topic that block is on, with the timer still running. Revision arrives at the moment the plan says revise, instead of having to be gone looking for.
More Physics Class 12 revision notes
- AC Circuits
- Current Electricity
- Dual Nature of Radiation and Matter
- Electromagnetic Induction
- Electrostatics
- Kinetic Theory of Gases and Radiation
- Magnetic Fields due to Electric Current
- Mechanical Properties of Fluids
- Oscillations
- Rotational Dynamics
- Semiconductor Devices
- Structure of Atoms and Nuclei
- Superposition of Waves
- Thermodynamics
- Wave Optics