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Power = Voltage x Current, so Current = Power / Voltage. {1 amp = (1 watt)/(1volt)}. At 120 Volts, then Current = (13 watts)/(120 volts) = 0.10833 amps.

But at 12 volts, (13 watts)/(12 volts)= 1.0833 amps.

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13y ago
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12y ago

CFL's have 60-70 lumens per watt. So for a 65watt bulb, you'd take between 60-70 lumens and multiply that by the wattage. So 60lumensx65Watts=3900 & 70x65=4550 meaning a 65watt CFL will put out anywhere between 3900-4550 lumens.

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15y ago

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Q: How many lumens in 85 watt CFL?
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