Electric motor and circuit symbol, illustration
Electric lamp and circuit symbol, illustration
Electric buzzer and circuit symbol, illustration
Simple lighting circuit, illustration
Electric cell and circuit symbol, illustration
Electric switch and circuit symbol, illustration
Fixed resistor and circuit symbol, illustration
Variable resistor and circuit symbol, illustration
Light-dependent resistor and circuit symbol, illustration
Two lamps connected in parallel, circuit diagram
Circuit board, illustration
Two lamps connected in parallel, illustration
Electrolytic capacitor and circuit symbol, illustration
Two lamps connected in series, illustration
Rheostat resistor, illustration
Rotary potentiometer, illustration
Light-emitting diode and circuit symbol, illustration
Ammeter and circuit symbol, illustration
Two lamps connected in series, circuit diagram
Domestic lighting circuit, illustration
Circuit breaker, diagram
Residual current circuit breaker, diagram
Motor effect, illustration
Simple electric motor, illustration
Electrical component symbols, illustration
Lamp, cell and ammeter connected in series, illustration
Electric bell mechanism, diagram
Fleming's left-hand rule for motors, illustration
Electromagnet, illustration
Moving coil loudspeaker, diagram
Torch, illustration
Magnetic field round a solenoid, illustration
Fleming's right-hand rule for generators, illustration
Cathode ray tube, illustration
Electric dipole field lines, illustration
Electrostatic spray painting, illustration
Wavelength and amplitude, illustration
Magnetic field round a coil of wire, illustration
Polarity of a current carrying wire coil, illustration
Transformer, illustration
Periscope, illustration
Lighting circuit with two-way switches, illustration
Electrolysis, illustration
Oscilloscope, illustration
Smoke alarm, illustration
Reflection in a plane mirror, illustration
Electric field lines, illustration
Moving-coil microphone, diagram
Electromagnetic relay, diagram
Electromagnetic spectrum, illustration
Magnetic field around a bar magnet, illustration
Earth's magnetic field, illustration
Electromagnetic induction, illustration
Digital camera with inverted image, illustration
Camera with inverted image, illustration
Raybox, illustration
Simple direct current generator, illustration
Manometer, illustration
NPN bipolar junction transistor, illustration
Radiation warning sign, illustration
Fluorescent tube lighting, illustration
Different propagation of plane waves, illustration
Image position in a plane mirror, illustration
Specular and diffuse reflection, illustration
Concave and convex surfaces, illustration
Concave mirror, illustration
Convex mirror, illustration
Concave mirror reflection, illustration
Satellite dish, illustration
Convex lens, illustration
Concave lens, illustration
Convex lens image formation, illustration
Camera with inverted image, cutaway artwork
Wavelengths of violet and red light, illustration
Visible spectrum, illustration
Colour wheels, illustration
Red filter, illustration
Specular reflection, illustration
Diffuse reflection, illustration
Apple reflecting red light, illustration
Static electricity and water stream, illustration
Static electricity on rubbing rod with cloth, illustration
Static electricity, rubber rod with fur, illustration
Static electricity, comb attracting paper, illustration
Three-pin plug, illustration
Lenz's law, illustration
Van de Graaff generator, illustration
Ripple tank with plane waves, illustration
Ripple tank, illustration
Ripple tank with plane and circular waves, illustration
Shadow cast by a large light source, illustration
Convex and concave lenses, diagram
Shadow cast by a small light source, illustration
Geiger-Muller tube, illustration
Geiger-Muller tube with alpha radiation, illustration
Geiger-Muller tube with gamma radiation, illustration
Measuring a liquid avoiding parallax error, illustration
Transverse waves in a slinky spring, illustration
Transverse and longitudinal waves in a spring, illustration
Simple alternating current generator, illustration
Atmospheric pressure glass trick, illustration
Radio waves, illustration
Radio signals bouncing off the ionosphere, illustration
Pressure exerted by a sharp knife, illustration
Drinking through a straw, illustration
Energy efficiency, Sankey diagram
Building Energy Rating, illustration
Efficiency spectrum, illustration
Energy Efficiency Rating, illustration
Environmental Impact Rating, illustration
Hydraulic lift, illustration
Hydrogen atom, illustration
Helium atom, illustration
Energy transfer, illustration
Car, illustration
Seismic S-wave propagation, illustration
Moving coil ammeter, illustration
Gold leaf electroscope, illustration
Longitudinal waves in a slinky spring, illustration
Tuning fork vibrations and sound waves, illustration
Reflection of plane waves, illustration
Refraction with biconvex lens, illustration
Wave absorption, illustration
Diffraction of waves, illustration
Diffraction of waves in a wide gap, illustration
Diffraction of waves in a narrow gap, illustration
Diffraction of waves in wide and narrow gaps, illustration
Pinhole camera, illustration
Refraction, illustration
Refraction in glass, illustration
Refraction analogy, illustration
Snell's law, illustration
Total internal reflection in an optical fibre, illustration
Fish-eye view, illustration
Eye anatomy, illustration
Light absorption and reflection, illustration
Wavelengths of coloured light, illustration
Colour filters, illustration