TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Simple electrical circuit. This circuit consists of a bulb (centre) connected to a power supply (top) with a simple switch (left) in series between the two. Here the switch is open as the plug (centre) has been removed. This means the current cannot flow through the bulb and light it up.
Model release not available. Property release not required.