写真素材の検索結果

Lighting circuit with two-way switches, illustration

Lighting circuit with two-way switches, illustration

Circuit breaker, diagram

Circuit breaker, diagram

Residual current circuit breaker, diagram

Three-pin plug, illustration

Electromagnetic relay, diagram

Circuit breaker, diagram

Residual current circuit breaker, diagram

Bicycle dynamo, illustration

Simple alternating current generator, illustration

AC dynamo and oscilloscope, illustration

Electric switch and circuit symbol, illustration

Three-pin plug, illustration

Electromagnetic relay, diagram

Domestic lighting circuit, illustration

Electric bell mechanism, diagram

Two lamps connected in series, circuit diagram

Immersion heater, illustration

Rotary potentiometer, illustration

Electric bar heater, illustration

Moving coil ammeter, illustration

Simple alternating current generator, illustration

Electric switch and circuit symbol, illustration

Two lamps connected in parallel, circuit diagram

Two lamps connected in series, illustration

Torch, illustration

Transformer, illustration

Transformer, illustration

Energy transfer, illustration

Electrolysis, illustration

Electrolysis, illustration

Electromagnet, illustration

Storage heater, cutaway illustration

Electrostatic precipitator, illustration

Moving coil loudspeaker, diagram

Moving-coil microphone, diagram

Fleming's right-hand rule for generators, illustration

Central heating circuit, illustration

Cathode ray tube, illustration

Cathode ray tube, illustration

Microwave oven, illustration

Electrical component symbols, illustration

Circuit board, illustration

Simple lighting circuit, illustration

Simple lighting circuit, illustration

Heat transfer in a pan on a stove, illustration

Electric lamp and circuit symbol, illustration

Variable resistor and circuit symbol, illustration

NPN bipolar junction transistor, illustration

Electric bell mechanism, diagram

Smoke alarm, illustration

Motor effect, illustration

Fleming's left-hand rule for motors, illustration

Motor effect, illustration

Fluorescent light bulb efficiency, Sankey diagram

Fluorescent light bulb efficiency, Sankey diagram

Thermal conduction in water, illustration

Ripple tank with plane waves, illustration

Ripple tank, illustration

Ripple tank with plane and circular waves, illustration

Raybox, illustration

Periscope, illustration

Electrostatic spray painting, illustration

Van de Graaff generator, illustration

Van de Graaff generator, illustration

Spark counter, illustration

Geiger-Muller tube, illustration

Geiger-Muller tube with alpha radiation, illustration

Hard disk drive, illustration

Water heating system, illustration

X-ray machine, diagram

Electroplating with copper, illustration

Telephone earpiece and mouthpiece, diagram

Storage heater, cutaway illustration

Immersion heater, illustration

Immersion heater, illustration

Ammeter and circuit symbol, illustration

Electric motor and circuit symbol, illustration

Electric buzzer and circuit symbol, illustration

Fixed resistor and circuit symbol, illustration

Light-emitting diode and circuit symbol, illustration

Electrolytic capacitor and circuit symbol, illustration

Light-dependent resistor and circuit symbol, illustration

Rheostat resistor, illustration

Two lamps connected in parallel, illustration

Light bulb efficiencies, Sankey diagrams

Incandescent light bulb efficiency, Sankey diagram

Total internal reflection in an optical fibre, illustration

Conduction and insulation, illustration

Convection currents in a saucepan, illustration

Image position in a plane mirror, illustration

Double glazing, illustration

Electric cell and circuit symbol, illustration

Wavelength and amplitude, illustration

Wavelength and amplitude, illustration

Static electricity on rubbing rod with cloth, illustration

Boyle's law apparatus, illustration

Pressure-temperature gas law, illustration

Charles's law apparatus, illustration

Gay Lussac's pressure-temperature gas law, illustration

Diffraction of long and short waves, illustration

Diffraction of microwaves and radio waves, illustration

Convection current, illustration

Lightning conductor, diagram

Temperature scale, illustration

Colour temperature spectrum, illustration

Colour temperature spectrum, illustration

Oscilloscope displaying sound wave signal, illustration

Rutherford scattering experiment, illustration

Paper thickness control, illustration

Alpha, beta and gamma radiation, illustration

Transformer, illustration

Central heating circuit, illustration

Energy transfer, illustration

Lamp, cell and ammeter connected in series, illustration

Electrolysis, illustration

Electromagnet, illustration

Electromagnet, illustration

Cathode ray tube, illustration

Seven forms of energy, illustration

Hydrogen fuel cell, illustration

Hydrogen fuel cell, illustration

Hydrogen fuel cell, illustration

Hydrogen fuel cell, illustration

Cavity wall insulation, illustration

Cavity wall insulation, illustration

Cavity wall insulation, illustration

Convection current in heated water, illustration

Vacuum flask, illustration

Shadow cast by a small light source, illustration

Pinhole camera, illustration

Reflection in a plane mirror, illustration

Reflection in a plane mirror, illustration

Refraction in glass, illustration

Convex and concave lenses, diagram

Digital camera with inverted image, illustration

Camera with inverted image, illustration

Eye anatomy, illustration

Wavelengths of violet and red light, illustration

Wavelengths of coloured light, illustration

Colour dispersion in a prism, illustration

Red and blue filters, illustration

Shadow cast by a small light source, illustration

Shadow cast by a large light source, illustration

Refraction in a fish tank, illustration

Refraction, real depth and apparent depth, illustration

Refraction in a fish pond, illustration

Red and green filters, illustration

Leaf reflecting green light, illustration

Vibrations of a ruler, illustration

Thermal conduction in a metal, illustration

Shadow cast by a large light source, illustration

Photovoltaic effect in a solar panel, illustration

Conduction, convection, radiation, illustration

Transverse and longitudinal waves, illustration

Tides, illustration

Path of Halley's Comet, illustration

Potential and kinetic energy, illustration

Gas-cooled nuclear reactor, illustration

Electricity supply chain, illustration

Double glazing, illustration

Wavelength and frequency, illustration

Wavelength and frequency, illustration

Elastic potential energy, illustration

Elastic potential energy in a spring, illustration

Archer with a longbow, illustration

Hooke's law, illustration

One kilogram mass on a newton meter, illustration

Weighing an apple on a newton meter, illustration

Car crash, illustration

Centripetal force, illustration

Centripetal force, illustration

Seismic S-wave propagation, illustration

Seismic S-wave propagation, illustration

Skin and ultraviolet light, illustration

Solar thermal collector panel, illustration

Charles's law apparatus, illustration

Suspension bridge, illustration

Radiation treatment, illustration

Rocket, illustration

Colour temperature spectrum, illustration

Tokamak nuclear fusion reactor, illustration

Tokamak nuclear fusion reactor, illustration

Solar water heating system, illustration

Solar water heating system, illustration

Fluorescent tube lighting, illustration

Lamp, illustration

Moving coil loudspeaker, diagram

Simple electric motor, illustration

Fleming's right-hand rule for generators, illustration

Cell cycle, illustration

Cell cycle, illustration

Cell cycle, illustration

Cell cycle, illustration

Air convection from radiator, illustration

Simple direct current generator, illustration

Oscilloscope displaying sound wave signal, illustration

Earth's axial tilt, illustration

Structure of mitochondria, illustration