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What is the temperature dependence on voltage for an Incandescent Light bulb(generally)?
I’m trying to plot an I-V diagram for a light bulb, and I know the resistance varies exponentially with the temperature, but I don’t know how the temperature varies with voltage. Also, does the resistance generally increase/decrease for increasing temperature in a bulb?
Thanks! Links welcome.
The resistance of a light bulb varies linearly with temperature.
The temperature varies linearly with power applied to the bulb.
The power is proportional to voltage x current.
“resistance varies exponentially” not true
“does the resistance generally increase/decrease for increasing temperature in a bulb?”
resistance increases with increasing temperature.
“how the temperature varies with voltage”
This is a tough one. It can be calculated, but you need a plot of resistance vs voltage to do that. You do know that when voltage goes up, power goes up, and temperature goes up.
You need to take measurements to get any further. For example, apply different voltages, like 10,20,30,40,50…. volts to the bulb and measure current for each. Let the temperature stabilize for each measurement.
How it’s made – Incandescent Light Bulb
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,620.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,620.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,620.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,620.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,620.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,600.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,600.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,600.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,600.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,600.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,600.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,600.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,560.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,560.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,560.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,560.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,560.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,560.00 |
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Tech Lighting Inner World Pendant Black / Amber / Incandescent / 120 $2,560.00 |
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Besa Lighting Tutu Six Light Pendant with Round Canopy Incandescent Bronze $1,269.00 |
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Besa Lighting Tutu Six Light Pendant with Round Canopy Incandescent Bronze $1,269.00 |
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