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Incandescent lamps are nearly pure resistive loads with a power factor of 1
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What light sources emits only a continuous spectrum a. hydrogen gas b. mercury lamp c. sodium lamp d. incandescent lamp e. laser?
d. incandescent lamp
How many lumen in a 25 watt incandescent light bulb?
a 100W incandescent lamp emits 120 candela.lumen is the unit for luminous intensity per steradian ,an lamp emits in all directiontherefore a 16.25watt lamp contains 19.5 lumenAnswerThe lumen is the SI unit for luminous flux -which describes the output power of visible light expressed in photometric units. The ratio of a lamp's output luminous flux to its input power is termed 'efficacy', expressed in lumens per watt. The efficacy for incandescent lamp varies from 5-15 lumens per watt. So the output of a 16.25-W incandescent lamp will be between 80-245 W.
What is the function of a capacitor in a fluorescent light fitting?
A capacitor is used to improve the power factor of the lamp.More detailsTo prevent the lamp from taking too much current a fluorescent lamp has to have a choke, which has magnetic inductance. The inductance has a negative impact on the power factor of the (the ratio between apparent power and real power taken by the lamp) - i.e. the power factor is reduced - so a capacitor is used to compensate for the inductance by improving the power factor so that it is closer to the ideal value of 1.Basically the inductor with the capacitor smooths out the voltage or current.
If a incandescent lamp is connected to a 12-v lantern battery if the current flow is 8.5mA how much?
How much what? Power? 102mW (0.102W). How much light? A filament bulb produces 1 to 3 percent of the power input as light if the proper voltage is applied. If the lamp is rated for a higher voltage, it won't get hot enough and the light out will be a lot less.
How do you calclate power factor?
p.f=kW/kV.A
What can an incandescent test lamp is used to check?
An incandescent lamp can be used to check continuity of a circuit.
What is the most economical incandescent bulb 10 watts or fluorescent lamp 10 watts and why?
the most economical is the incandescent bulb because the power of bulb is low only while the fluorescent lamp is low and additional the power of ballast from 10%-20% power consumed.but the fluorescent lamp is 5 times brightly the incandescent bulb.
What light sources emits only a continuous spectrum a. hydrogen gas b. mercury lamp c. sodium lamp d. incandescent lamp e. laser?
d. incandescent lamp
How many lumen in a 25 watt incandescent light bulb?
a 100W incandescent lamp emits 120 candela.lumen is the unit for luminous intensity per steradian ,an lamp emits in all directiontherefore a 16.25watt lamp contains 19.5 lumenAnswerThe lumen is the SI unit for luminous flux -which describes the output power of visible light expressed in photometric units. The ratio of a lamp's output luminous flux to its input power is termed 'efficacy', expressed in lumens per watt. The efficacy for incandescent lamp varies from 5-15 lumens per watt. So the output of a 16.25-W incandescent lamp will be between 80-245 W.
Why do the readings differ for increasing and decreasing values of the incandescent lamp voltages?
...what readings? current? voltage? power? lux?
Is CO2 emitted by incandescent bulb?
No, carbon dioxide is not emitted by an incandescent lamp.
What is another word for light bulb?
Incandescent lamp
What is the equvalent power of 100W lamp compared to the LED lamp?
A 100W incandescent lamp typically produces about 1600 lumens of light. In comparison, an LED lamp can achieve similar brightness while consuming significantly less power, usually around 14 to 20 watts. This means that an LED lamp can provide the equivalent illumination of a 100W incandescent while being much more energy-efficient. Therefore, choosing an LED lamp can lead to substantial energy savings and lower electricity bills.
A PS30 incandescent lamp has an overall maximum diameter of?
A PS30 incandescent lamp typically has an overall maximum diameter of around 3.75 inches.
Why was the incandescent lamp not used in homes?
The incandescent lamps are very frequently used in all the buildings !
What was the first name of the light bulb?
The Incandescent Lamp
Who was rewarded for his patent incandescent lamp?
Alexander Lodygin
