0
What else can I help you with?
What is so special about the light from a laser?
it's monochromatic(all exactly the same wavelength) and every photon is in phase with all of the others(so, unlike ordinary light, all of the waves travel with the same wave shape) and it's a parallel beam, so the light doesn't diverge this means a 25 watt laser can cut through steel while an 80 watt light bulb can't it also means a 25 milliwatt laser leaves a brighter spot of light than an 80 watt light bulb(you can see the laser in the normal light) it also enables you to make a hologram it allows for lasersurgery
What is the efficiency of an old style light bulb?
Old style incandescent light bulbs have an efficiency of about 10-17 lumens per watt, meaning they convert only 10-17% of the energy they consume into visible light, with the rest being lost as heat. This makes them much less efficient compared to newer LED light bulbs, which typically have efficiencies of 80-100 lumens per watt.
How much would leaving on a 60 watt bulb all year cost?
There are about 8760 hours in a year, so running a 60 watt bulb for a year would consume (60 times 8760) or 526000 watt hours. Electric power rates vary, but at $0.15 per kilowatt-hour, that would be almost $80.
How efficient is a light bulb?
An incandescent bulb is 96% efficient as a heater, and 4% efficient as a source of light. A fluorescent bulb is only 60% efficient as a heater, and 40% efficient as a source of light. An LED bulb is only 10-20% efficient as a heater, and 80-90% efficient as a source of light (but that light is usually unidirectionally directed... harder to do diffuse lighting with them).
How much energy does an energy saving light bulb save?
An energy-saving light bulb can save around 75-80% of energy compared to a traditional incandescent bulb. This can result in significant savings on electricity bills and reduced energy consumption over time.
Can you use a 120 watt equivalent 80 watt actual usage in a 100 watt reptile light fixture?
A reptile light is used to generate heat for the reptile, so you must use a bulb that uses 100 watts, and an incandescent bulb is what you need.
Compare and contrast a 60 watt and 100 watt light bulb?
The more energy that is transferred in a certain time, the greater the power. A 100W light bulb transfers more electrical energy each second than a 60W light bulb.The equation below shows the relationship between power, potential difference (voltage) and current:power (watts) = current (amps) x potential difference (volts)
What does 40 watts bulb mean?
An electrical watt is a measure of power. A 40 watt light bulb uses 40 watts of electrical power. It has a relative measure of twice the light output of a 20 watt bulb and one half the output of an 80 watt bulb. A 40 watt bulb uses 40 Joules of energy each second, or 40 watt-hours of energy each hour. In 1000 hours it uses 40 kilowatt-hours or Units of electrical energy.
What type of light is a 20 watt energy saving bulb Halogen Incandescent neon or fluorescent?
A 20 watt incandesent bulb is dim. For a medium sized room you need 100 watts. A 20 watt halogen bulb is brighter but still quite dim. These are marketed as low-energy but they are not. For a medium sized room you need 80 watts. A 20 watt fluorescent bulb can light a medium sized room quite brightly. This is a genuine low energy bulb.
How many incandescent watts are in 80 LED?
There is no direct conversion between watts of incandescent bulbs and LED bulbs, as they are measured differently. However, on average, one 10-watt LED bulb is equivalent to an 80-watt incandescent bulb in terms of brightness. So, you would need 8 LED bulbs at 10 watts each to match the brightness of an 80-watt incandescent bulb.
How much energy does a CFL light bulb save versus an incandescent bulb?
A CFL light bulb can save about 75% of energy compared to an incandescent bulb. This is because CFLs are more efficient in converting electricity into light, while incandescent bulbs produce more heat than light, resulting in greater energy waste.
How many amps does a 175 watt mercury vapor light use?
depending on voltage supplying the bulb, each ballast spicifies on it such rating. many ballasts have better efficiency at higher voltage. however; say 175 watt bulb, 120V with 80% efficiency= (175/120)/.8=1.82amps
What is 1.2 lumens in wattage?
To convert lumens to watts, you need to consider the efficacy of the light source, as different types of bulbs produce different amounts of light per watt. For example, an LED bulb typically produces about 80-100 lumens per watt, while an incandescent bulb produces around 10-17 lumens per watt. Therefore, 1.2 lumens would be approximately 0.012 to 0.12 watts for an LED, and around 0.07 to 0.12 watts for an incandescent bulb. The exact wattage can vary based on the type of light source.
How many watt are in 1 led?
On average, a typical LED light bulb consumes around 8-12 watts to produce the same amount of light as a traditional 60-watt incandescent bulb. LED efficiency varies depending on the specific type and brand.
What kind of battery can power a 40 watt light bulb?
If the bulb is a 40 watt, 120v bulb, you would need 20 6 volt batteries wired in series, or 80 (!) 1.5 volt batteries. 1.5 volt batteries are AAA, AA, C, D, etc. Since this solution is rather extravagant, try finding a light bulb made for an RV. These typically run off of 12 volts, and you can get a single 12 volt battery, or 2 6 volt batteries, to run this bulb.
What is most energy efficient led lamps or bulbs?
The most efficient outdoor light bulb would the 5 watt Light emitting Diode light bulb also know as the LED bulb. They are small lights with miniature sockets or made to fit into conventional sockets.
How hot is a 50w heat lamp light bulb in Fahrenheit?
I use a 75 watt heat lamp in 36" habitat. at the end i use it on, it is about 80-82 degrees. it depends on how far away the bulb is and how the temp. is naturally. so don't place it close enough to get touched or burned by whatever your warming not burning. Hope this helps a bit. not a professional. Just experienced this much.
