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Which of the areas of technology best classifies the light bulb?
The incandescant light is more of a heat bulb than a light bulb, being 200% less efficient (on average) in producing the same amount of light (measured in lumens) than a fluorescent bulb. That being said, the light bulb would be considered part of a luminaire.
What is the unit of a light bulb?
The power a light bulb consumes is measured in watts. Light output is often described in terms of watts, as wattage was the only measurement distinguishing different light bulbs in the years before CFL bulbs were commonplace.Light output may also be described in 'candlepower', although this unit of measurement is obsolete and was replaced by the 'candela' in 1948. 'Lumens' are the standard of light measurement in terms of what the human eye can perceive, and you may see these on light bulb packaging occasionally as well.Incandescent light bulbs are generally measured in watts, indicating the power consumed by the bulb.The amount of light of light produced is measured in lumens. Fluorescent bulbs produce more lumens per watt than incandescent. LED lights produce more lumens per watt than florescents.Watts.Watts
What is the power of a light bulb?
Every person has a different power of light bulb. In my room, I have a 7.5 and a whole bunch of 60s. The number of watts you choose for your light bulb depends on how bright you want your light to be. The higher the number, the brighter it is.
What is the power rating for a light bulb in one hour?
The power rating of a light bulb is measured in watts (W), which represents the amount of electrical energy it consumes per unit of time. If a light bulb has a power rating of 60 watts (for example), it means it consumes 60 watt-hours of energy in one hour of operation.
How does the brightness of a light bulb relate to the wavelengths of light produced by the bulb?
The light bulb gives light be heating the filament. Roughly speaking, it is emitting black body radiation. Plank's Law gives you the formula. See here: http://en.wikipedia.org/wiki/Black_body http://en.wikipedia.org/wiki/Planck's_law
What is the power of light bulb mesured in?
a light bulb is measured in watts
Light bulbs are measured in units of what?
Light bulb are measured in Candela (Cd) for its luminous intensity and Watt for its power consumed.
How do you calculate the efficiency of a light bulb?
To calculate the efficiency of a light bulb, you would divide the light output (measured in lumens) by the power input (measured in watts). This will give you the number of lumens per watt, which is a measure of how efficiently the light bulb converts electricity into visible light. The higher the lumens per watt value, the more efficient the light bulb.
What is the power of light bulb measured in?
the unit which are measured for power of lights are watts....
What are 5 things you might find in a house that is measured in watts and what is the number of watts in it?
light bulb, microwave, telephone, tv, florescent light bulb
What does the intensity of light bulb indicate?
The intensity of a light bulb indicates how bright the light it emits is. It is measured in lumens, with higher lumens indicating a brighter light. The intensity of a light bulb can affect the ambiance and functionality of a room.
The power pf light bulbs in Measured in?
The power of light bulbs is measured in watts (W), which indicates the amount of energy consumed and the brightness of the light produced. The higher the wattage, the brighter the light emitted by the bulb.
How much eletricity does a light bulb take?
The amount of electrical energy it uses in a fixed time is the power, measured in watts, that should be marked on the light bulb when it's bought.
What is measured in units of luxs?
Lux is a measurement of light, the brightness at source. The higher the number the brighter the sourceIllumination, the light output of a light bulb.
How is electric power of a light bulb measured?
Since the light bulb is purely resistive (has very little reactance), you can just measure the RMS voltage across the light bulb (usually 120 V) and the RMS current going through the light bulb. Power (P) is:P = VRMS x IRMSwatts
How hot does a 75 watt light bulb get?
When measured with an infrared thermometer it read 169.9 degrees F.
What does the energy of a light bulb change into after the lamp has been lit for a while how can you measure the change?
The energy of a light bulb primarily changes into heat and light when lit for a while. This transformation can be measured using a thermometer to track the increase in temperature around the bulb, and a lux meter to measure the amount of light emitted.
