Electronics/Expanded Edition DC circuits
Resistance
editOhm's law, resistivity and conductivity
Capacitance
editSome formulae for capacitance of different shapes, dependence on dielectric constant, units
Batteries
editBehaviour in circuits
Solving circuits
editKirchoff's laws, Thévenin's theorem
Hall effect, Piezoelectricity, etc
editVoltages induced by magnetic fields, stress, temperature difference, etc.