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Type of bulbs in a GU10 holder
- Thread starter ey143
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Even with a rheostat (in series with the lamp), the current (through the rheostat+lamp) would reduce when the lamp was dimmed - so there would be some reduction in electricity/energy usage (even though there was also some energy 'wastage' in heating the rheostat), although not as much reduction as with the modern more efficient methods.
Kind Regards, John
I agree, but that wasn't the question I was responding to. Dimming (even with a resistor/rheostat) certainly reduces electricity usage (which is what was asked), but, as you say, might well reduce light output even more.
Kind Regards, John
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