TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Simple electrical circuit. This circuit consists of a bulb (lower centre) connected to a battery (cell, top right) with a simple switch (centre left) in series between the two. This is a closed circuit; the switch is closed allowing the current to flow through the bulb which causes it to light up.
Model release not available. Property release not required.