College of Letters & Science
Department of Physics
5 Electricity and Magnetism
Light Bulb Resistances Compared
5F20.53 LIGHT BULB RESISTANCES COMPARED
A 25 W bulb is brighter than a 15 W bulb when they are connected in parallel, but the 15 W bulb is brighter when they are connected in series.
(use "Longlife" bulbs)