Lightboxes

Image 1 of 1
SIMPLE CIRCUIT<br />
(1 of 2)<br />
12V battery, open switch, unlit bulb<br />
The negative terminal of the battery pushes electrons towards the positive terminal which attracts the electrons. When the circuit is closed the current travels across the bulb filament where resistance causes the filament to heat up and glow.

Fphoto-25538911B-2RM.jpg

SIMPLE CIRCUIT
(1 of 2)
12V battery, open switch, unlit bulb
The negative terminal of the battery pushes electrons towards the positive terminal which attracts the electrons. When the circuit is closed the current travels across the bulb filament where resistance causes the filament to heat up and glow.

Copyright:© 1989 Richard Megna - Fundamental Photographs

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Richard Megna