Questions tagged [incandescent]
Emitting light when heated, like the wire filament in an incandescent light bulb that is heated until it glows by the current running through it.
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PWM Dimming of a Low-Voltage DC Incandescent Filament (Thermal Shock?)
I plan on driving some Numitron tube filaments from an IV-16 tube (datasheet here). For ease of access I'll give the key specs here:
Nominal filament voltage: 3.15V
Max filament voltage (steady-state)...
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Optimizing Incandescent Traffic Light Design
I'm currently working on designing an incandescent traffic light system and could use some guidance on extending and optimizing my design. Initially, I've successfully implemented the required ...
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Why is this light-dimming configuration flickering? Why is it not stable?
My question is why is this configuration showing an unstable flickering voltage accross the light bulb? Were incorrect capicitance values used?
Observing the oscilloscope, I note that there is some ...
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Engine instrument panel with duplicate Charge light, one incandescent and the other LED [closed]
I have an engine in a boat. The ignition on switch, start, and heat are on a panel on the navigation desk. There is also a power LED, incandescent charge, and led oil light. All the engine instruments ...
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How to calculate the effect of different voltages on an incandescent bulb?
How can you calculate the effects of running a 120 V, 7 W lamp on, say, 80 V, or any other voltage?
What will the current draw be when you reduce the voltage? Is it possible to calculate knowing the ...
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How to find the right specification of LED corresponding to an incandescent bulb to replace the latter?
I have a motorcycle and its taillight had an incandescent (filament) bulb. The wiring diagram says it's specification was 18W for 12V supply. Now, I want to use an LED (or several) in its place with ...
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What is the hottest filament I could find in an incandescent lamp?
I read old light bulbs get really hot.
I read that the incandescent lamps get quite hot but I couldn’t find a filament that gets ‘the hottest’.
Is there a filament that gets the hottest?
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Origin of 220-250V distribution standard
While many countries in the world supply "domestic use" electricity at 220-250V AC, there's not much information of how that standard came to be. The history articles usually stick to Edison ...
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Using 110 Vac incandescent light bulb at 220 Vac with a series diode
I have a 110 Vac incandescent light bulb but I need to use it in 220 Vac.
If I add a diode in series with the bulb, the RMS power is the same as before but the peak value of voltage and current is ...
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Christmas lights in series with one broken bulb
I read this about Christmas mini-lights in series: "When one bulb's filament breaks, current stops flowing, so the remaining lights go out, and the full 120V appear across the broken filament. ...
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Replace incandescent lamps with LEDs in vintage christmas lights [closed]
I have vintage Christmas lights with 20 incandescent lamp connected in series. They are connected directly to AC plug (220V here).
UPD: Original bulbs are 13.5V 160 mA (similar to https://www....
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How do the non-circuit old Christmas lights flash?
I have a 80's Christmas incandescent light string without any kind of electronics. They are static until you replace one normal bulb with one marked bulb.
It seems to be that the marked bulb (that ...
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Is the luminous efficiency of a 5000 K incandescent greater than that of a 3000 K bulb?
The color temperature represents the color of light emitting from an ideal black body, when heated to said temperature in kelvin, and how an incandescent bulb emits light is close to a black body.
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Why does my lamp say "Use max 60 watt Type A OR max 10 watt LED?"
I'm really intrigued by the label on a new lamp. It says:
Caution: To reduce the risk of fire, use MAX 60 watt type A lamp OR use MAX 10 watt self-ballasted LED lamp or lamp adapter.
Now I didn't ...
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How Many Ohms is an Average Incandescent Lightbulb? [closed]
The title says it all...
How many Ohms is an average incandescent lightbulb?
EDIT
After a few people making me realise that my question is kind of imprecise, here is what the question really asks:
If ...
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