写真素材の検索結果

Light-emitting diode and circuit symbol, illustration

Diode and thermionic emission, diagram

Electrolytic capacitor and circuit symbol, illustration

Electric lamp and circuit symbol, illustration

Electric switch and circuit symbol, illustration

Electric switch and circuit symbol, illustration

Electric motor and circuit symbol, illustration

Electric buzzer and circuit symbol, illustration

Fixed resistor and circuit symbol, illustration

Variable resistor and circuit symbol, illustration

Light-dependent resistor and circuit symbol, illustration

Simple lighting circuit, illustration

Two lamps connected in parallel, circuit diagram

Electric cell and circuit symbol, illustration

Electrical component symbols, illustration

Ammeter and circuit symbol, illustration

Two lamps connected in series, circuit diagram

Cathode ray tube, illustration

Circuit board, illustration

Simple lighting circuit, illustration

Two lamps connected in series, illustration

Two lamps connected in parallel, illustration

Rheostat resistor, illustration

Rotary potentiometer, illustration

Electrolysis, illustration

Lamp, cell and ammeter connected in series, illustration

Smoke alarm, illustration

Torch, illustration

Electrolysis, illustration

Magnetic field round a solenoid, illustration

Electromagnet, illustration

Electric bell mechanism, diagram

Electric bell mechanism, diagram

Motor effect, illustration

Moving coil loudspeaker, diagram

Simple electric motor, illustration

Moving-coil microphone, diagram

Motor effect, illustration

Fluorescent tube lighting, illustration

Shadow cast by a large light source, illustration

Shadow cast by a small light source, illustration

Electric dipole field lines, illustration

Electrostatic spray painting, illustration

Electrostatic spray painting, illustration

Static electricity and water stream, illustration

Static electricity on rubbing rod with cloth, illustration

Static electricity on rubbing rod with cloth, illustration

Static electricity, rubber rod with fur, illustration

Static electricity, comb attracting paper, illustration

Domestic lighting circuit, illustration

Lighting circuit with two-way switches, illustration

Circuit breaker, diagram

Residual current circuit breaker, diagram

Electromagnet, illustration

Electromagnet, illustration

Magnetic field round a coil of wire, illustration

Magnetic field round a solenoid, illustration

Polarity of a current carrying wire coil, illustration

Fleming's left-hand rule for motors, illustration

Fleming's left-hand rule for motors, illustration

Fleming's right-hand rule for generators, illustration

Fleming's right-hand rule for generators, illustration

Simple direct current generator, illustration

Transformer, illustration

Transformer, illustration

Transformer, illustration

Electrolysis, illustration

Oscilloscope, illustration

Three-pin plug, illustration

Moving coil loudspeaker, diagram

Electromagnetic relay, diagram

Wavelength and amplitude, illustration

Raybox, illustration

Reflection in a plane mirror, illustration

Convex and concave lenses, diagram

Cathode ray tube, illustration

Electric field lines, illustration

Measuring a liquid avoiding parallax error, illustration

NPN bipolar junction transistor, illustration

LEDs, illustration

Shadow cast by a small light source, illustration

Shadow cast by a small light source, illustration

Shadow cast by a small light source, illustration

Shadow cast by a large light source, illustration

Shadow cast by a large light source, illustration

Shadow cast by a large light source, illustration

Atmospheric pressure glass trick, illustration

Atmospheric pressure glass trick, illustration

Manometer, illustration

Manometer, illustration

Electromagnetic spectrum, illustration

Magnetic field around a bar magnet, illustration

Earth's magnetic field, illustration

Electromagnetic induction, illustration

Pressure exerted by a sharp knife, illustration

Pressure exerted by a sharp knife, illustration

Pressure exerted by a sharp knife, illustration

Pressure exerted by a sharp knife, illustration

Drinking through a straw, 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

Digital camera with inverted image, illustration

Camera with inverted image, illustration

Radiation warning sign, illustration

Hydrogen atom, illustration

Hydrogen atom, illustration

Helium atom, illustration

Helium atom, illustration

Smoke alarm, illustration

Circuit breaker, diagram

Residual current circuit breaker, diagram

Electromagnet, illustration

Circuit breaker, diagram

Seismic S-wave propagation, illustration

Seismic S-wave propagation, illustration

Gold leaf electroscope, illustration

Gold leaf electroscope, illustration

Gold leaf electroscope, illustration

Gold leaf electroscope, illustration

Van de Graaff generator, illustration

Van de Graaff generator, illustration

Van de Graaff generator, illustration

Longitudinal waves in a slinky spring, illustration

Longitudinal waves in a slinky spring, illustration

Electromagnetic spectrum, illustration

Electromagnetic spectrum, illustration

Different propagation of plane 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

Raybox, illustration

Pinhole camera, illustration

Pinhole camera, illustration

Reflection in a plane mirror, illustration

Reflection in a plane mirror, illustration

Image position in a plane mirror, illustration

Specular and diffuse reflection, illustration

Reflection in a plane mirror, illustration

Concave and convex surfaces, illustration

Concave mirror, illustration

Convex mirror, illustration

Concave mirror reflection, illustration

Satellite dish, illustration

Satellite dish, illustration

Satellite dish, illustration

Refraction, illustration

Refraction in glass, illustration

Refraction in glass, illustration

Refraction, illustration

Refraction analogy, illustration

Snell's law, illustration

Total internal reflection in an optical fibre, illustration

Total internal reflection in an optical fibre, illustration

Fish-eye view, illustration

Convex lens, illustration

Concave lens, illustration

Convex lens image formation, illustration

Camera with inverted image, cutaway artwork

Camera with inverted image, illustration

Eye anatomy, illustration

Light absorption and reflection, illustration

Wavelengths of violet and red light, illustration

Wavelengths of coloured light, illustration

Visible spectrum, illustration

Radio waves, illustration

Radio signals bouncing off the ionosphere, illustration

Colour wheels, illustration

Red filter, illustration

Colour filters, illustration

Periscope, illustration

Periscope, illustration

Specular reflection, illustration

Diffuse reflection, illustration

Refraction in a fish tank, illustration

Refraction in a fish tank, illustration

Refraction, real depth and apparent depth, illustration

Refraction in a fish pond, illustration

Refraction, real and apparent position, illustration

Refraction, illustration

Electromagnetic spectrum, illustration

Red filter, illustration

Red and green filters, illustration

Apple reflecting red light, illustration

Vibrations of a ruler, illustration

Measuring the speed of sound, illustration

Decibel sound scale, illustration

Lenz's law, illustration

Lenz's law, illustration

Zinc-carbon battery, illustration

Cathode ray tube, illustration

Pressure exerted by finger pushing a nail into wood, illustr

Pressure exerted by finger pushing a nail into wood, illustr