Miniature light bulb and battery. Wire-ended miniature incandescent light bulb connected to the terminals of a zinc-carbon battery. Unlike larger incandescent bulbs,this one is connected to its power supply with wires. These bulbs are similar in size to an LED (light-emitting diode),but unlike LEDs produce light by passing electricity through a metal filament that heats up and glows | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Lawry, Lawrence |
Bildgröße: | 5128 px × 3406 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |