6 A lamp has a value of 100 W and 240 V marked on it.(a) Explain what is meant by "100 W and 240 V" when applied to the lamp.(b) Calculate the number of electrons that enter and leave the filament of the lamp every second when a D. C. supply of 280 V is connected acr...
Maybe a person's life is like a ship travelling on the sea.if it can't move 1. f. it will fall behind.I'll tell you a story: 2. b___ the invention(发明) of light bulbs. Edison had tried thousands of filament(灯丝) materials and had failed thousands of times. A businessman la...
LED pseudo-filament lamp.(WHAT'S NEW)
Heat is the most common way we see light being generated -- a normal 75-watt incandescent bulb is generating light by using electricity to create heat. Electricity runs through a tungsten filament housed inside a glass sphere. Because the filament is so thin, it offers a good bit of resista...
Why is the filament of electric bulb made up of tungsten? How many 75-W lightbulbs, connected to 120 V, can be used without blowing a 16 A fuse? Express your answer as an integer. An electric train operates on 795 V. What is its power consumption when the current flowing t...
Vintage A60/A19 LED Filament Edison Bulb with 3 Years Warranty Chat with Supplier Edison C35*100mm RoHS E27 4W LED Filament Lamp Chat with Supplier Transaction Info PriceUS $ 0.16-0.35/ PieceUS $ 0.54-0.60/ PieceUS $ 2.35-3.00/ PieceUS $ 0.96-1....
What is Portable Small Collapsible COB Emergency Mini Camping Lamp Light Lantern share: Contact Now Chat with Supplier Get Latest Price About this Item Details Company Profile Price Min. OrderReference FOB Price 1000 PiecesUS$1.00-2.00 / Piece ...
What happens to the brightness of light emitted by a light bulb when the current in the filament increases? What is a radiation curve? What is reverberation? What makes the sun shine? Fill in the blank. A star's luminosity depends primarily on its ___. What is...
Electrical resistivity is a key parameter for any material used in electrical circuits, electronic components and many other items. Resistance Tutorial Includes: What is resistanceOhms LawOhmic & Non-Ohmic conductorsResistance of filament lampResistivityResistivity table for common materialsResistance temperatu...
A bulb is the source of light, often containing a filament or a set of LEDs that illuminates when electricity passes through it, whereas a lamp is the complete apparatus that includes a bulb as well as additional components such as a base, shade, and power mechanism. 6 Bulbs are primarily...