写真素材の検索結果

Domestic lighting circuit, illustration

Circuit breaker, diagram

Residual current circuit breaker, diagram

Electric switch and circuit symbol, illustration

Two lamps connected in parallel, circuit diagram

Two lamps connected in series, illustration

Simple lighting circuit, illustration

Simple lighting circuit, illustration

Lighting circuit with two-way switches, illustration

Electric bell mechanism, diagram

Circuit board, illustration

Electric lamp and circuit symbol, illustration

Variable resistor and circuit symbol, illustration

Electric motor and circuit symbol, illustration

Electric buzzer and circuit symbol, illustration

Fixed resistor and circuit symbol, illustration

Light-dependent resistor and circuit symbol, illustration

Rheostat resistor, illustration

Rotary potentiometer, illustration

Two lamps connected in parallel, illustration

Electric cell and circuit symbol, illustration

Electromagnet, illustration

Electric switch and circuit symbol, illustration

Fleming's right-hand rule for generators, illustration

Fleming's right-hand rule for generators, illustration

Transformer, illustration

Electrolytic capacitor and circuit symbol, illustration

Circuit breaker, diagram

Circuit breaker, diagram

Residual current circuit breaker, diagram

Electromagnetic relay, diagram

Two lamps connected in series, circuit diagram

Magnetic field round a coil of wire, illustration

Magnetic field round a solenoid, illustration

Magnetic field round a solenoid, illustration

Polarity of a current carrying wire coil, illustration

Electromagnet, illustration

Motor effect, illustration

Fleming's left-hand rule for motors, illustration

Fleming's left-hand rule for motors, illustration

Motor effect, illustration

Oscilloscope, illustration

Lighting circuit with two-way switches, illustration

Three-pin plug, illustration

Torch, illustration

Electric bell mechanism, diagram

Electromagnetic spectrum, illustration

Magnetic field around a bar magnet, illustration

Earth's magnetic field, illustration

Electromagnetic induction, illustration

Simple electric motor, illustration

Transformer, illustration

Transformer, illustration

Light-emitting diode and circuit symbol, illustration

Electromagnetic spectrum, illustration

Electromagnetic spectrum, illustration

Wavelengths of violet and red light, illustration

Visible spectrum, illustration

Red filter, illustration

Electromagnetic spectrum, illustration

Lenz's law, illustration

Lenz's law, illustration

Periscope, illustration

Electrostatic spray painting, illustration

Electrostatic spray painting, illustration

Fluorescent tube lighting, illustration

Electrical component symbols, illustration

Electrolysis, illustration

Electromagnet, illustration

Transverse waves in a slinky spring, illustration

Transverse waves in a slinky spring, illustration

Transverse and longitudinal waves in a spring, illustration

Satellite dish, illustration

Satellite dish, illustration

Satellite dish, illustration

Image position in a plane mirror, illustration

Wavelength and amplitude, illustration

Electric dipole field lines, illustration

Ammeter and circuit symbol, illustration

Moving coil loudspeaker, diagram

Moving-coil microphone, diagram

Simple direct current generator, illustration

Simple alternating current generator, illustration

Different propagation of plane waves, illustration

Reflection in a plane mirror, illustration

Reflection in a plane mirror, illustration

Specular and diffuse reflection, illustration

Reflection in a plane mirror, illustration

Reflection in a plane mirror, illustration

Concave and convex surfaces, illustration

Concave mirror, illustration

Convex mirror, illustration

Concave mirror reflection, illustration

Convex lens, illustration

Concave lens, illustration

Convex lens image formation, illustration

Camera with inverted image, cutaway artwork

Digital camera with inverted image, illustration

Camera with inverted image, illustration

Camera with inverted image, illustration

Colour wheels, illustration

Specular reflection, illustration

Diffuse reflection, illustration

Red filter, illustration

Apple reflecting red light, illustration

Electromagnetic relay, diagram

Wien's displacement law, illustration

Lamp, cell and ammeter connected in series, illustration

Electrolysis, illustration

Electromagnet, illustration

Cathode ray tube, illustration

Electric field lines, illustration

Radio waves, illustration

Raybox, illustration

Raybox, illustration

Periscope, illustration

Van de Graaff generator, illustration

Van de Graaff generator, illustration

Van de Graaff generator, illustration

Radiation warning sign, illustration

Three-pin plug, illustration

Moving coil loudspeaker, diagram

Immersion heater, illustration

Immersion heater, illustration

Total internal reflection in an optical fibre, illustration

Total internal reflection in an optical fibre, illustration

Radio signals bouncing off the ionosphere, 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

Hydraulic lift, illustration

Hydraulic lift, illustration

Microwave oven, illustration

Electrolysis, illustration

Manometer, illustration

Manometer, illustration

NPN bipolar junction transistor, illustration

Smoke alarm, illustration

Radio waves, illustration

Central heating circuit, illustration

Energy transfer, illustration

Energy transfer, illustration

Ripple tank with plane waves, illustration

Ripple tank, illustration

Ripple tank with plane and circular waves, 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

Shadow cast by a small light source, illustration

Shadow cast by a large light source, illustration

Pinhole camera, illustration

Pinhole camera, illustration

Refraction, illustration

Refraction in glass, illustration

Refraction in glass, illustration

Refraction, illustration

Refraction analogy, illustration

Snell's law, illustration

Fish-eye view, illustration

Convex and concave lenses, diagram

Eye anatomy, illustration

Light absorption and reflection, illustration

Wavelengths of coloured light, illustration

Colour filters, 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

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

Red and green filters, illustration

Vibrations of a ruler, illustration

Measuring the speed of sound, illustration

Decibel sound scale, illustration

Shadow cast by a small light source, illustration

Shadow cast by a large light source, illustration

Geiger-Muller tube, illustration

Geiger-Muller tube, illustration

Geiger-Muller tube with alpha radiation, illustration

Geiger-Muller tube with gamma radiation, illustration

Transverse and longitudinal waves, illustration

Measuring a liquid avoiding parallax error, illustration

Pressure transmission in liquids, illustration

Pressure transmission in liquids, illustration

Car disc brake system, illustration

Car disc brake system, illustration

Hydraulic press, illustration

Pressure exerted by a sharp knife, illustration

Pressure exerted by a sharp knife, illustration