ANSWERS: 1
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Size has no bearing on the energy consumption of a light bulb. A large 100 watt bulb in a table lamp consumes the same amount of energy as a small 100 watt light bulb in a chandelier.
Source:
Madsci.org: Does the size of a lightbulb effect its energy use?
Blurtit.com: Does The Size Of A Light Bulb Affect Its Energy Use?
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