Example image of eyePlorer eyePlorer map for 'Electrical resistance': Electric current Friction Georg Ohm International System of Units Ohm Omega Ampere Constant (mathematics) Electrical conductance Multiplicative inverse Ohm's law Siemens (unit) Volt Voltage Current–voltage characteristic Metre Resistivity Rho (letter) Square metre Skin effect Proximity effect (electromagnetism) Atom Metal Electric field Electrical conduction Electrolyte Ion Cell membrane Ion channel Diode Negative resistance Tunnel diode Zener diode Temperature Debye model Phonon Augustus Matthiessen Heike Kamerlingh Onnes Superconductivity History of superconductivity Conduction band Electron hole Intrinsic semiconductor Valence band Exponential decay Extrinsic semiconductor Semiconductor Deformation (mechanics) Stress (mechanics) Tension (physics)