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Which voltage under-cabinet lighting of the 25 inch puck-type style would produce more heat 12 volt - low voltage - or 120 volt - if both bulbs are rated at 20 watts?
Wiki User
∙ 8y ago
Let's retool this one. Watts is volts times amps. Check. Amps produce heat and not the volts. Now hold on just a minute there, partner. Heat is power. Power is watts. It's volts times amps. Power = Watts = Heat. So "amps produce heat and not the volts" is misleading. Amps and volts together produce heat, produce watts, produce power. It's true that more amps through a given resistance produces more heat than less amps through that same resistance. But it doesn't apply here. The lamps operate on different voltages and draw different amounts of current (and have different resistances). But they both deliver the same power.
The answer is right in front of us. Both lamps are rated at 20 watts. Both produce 20 watts of heat. Assuming similar incandescent lamp types, both will have the same brightness, and both will generate the same amount of heat. No math required.
Wiki User
∙ 8y ago
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Low Voltage Lighting ?
form_title= Low Voltage Lighting form_header= Create the lighting you want with low voltage light. Where are you installing low voltage lighting?*= _ [50] Will you be installing the lighting yourself?*= () Yes () No What is your lighting budget?*= _ [50]
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