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Why is the light bulb a great invention?
because it produce light in the night
Why was the light bulb a great invention?
because it helped people see in the dark and at night
Why does a light bulb light in a closed circuit?
A bulb does not light up if there is no voltage available across the bulb, or if the bulb is burned out.
Is light bulb a compound word?
No. The light bulb is two words, not a combination of light and bulb.
What type of light is a light bulb that uses a filament?
A light bulb that uses a filament is also known as an incandescent light bulb.
Can i use a 7 watt night light bulb instead of a 10 watt appliance bulb in your dryer?
What may happen is the 7W bulb may burn out quickly because of the dryer heat. I suppose worse case might be an exploding 7W bulb that would ignite lint and cause a dryer fire. You should always use what is recommended by the manufacturer.
Why does a 100W light bulb cost more than a 1200-W hair dryer does?
A 100 watt light bulb does not cost more that a 1200 watt hair dryer. The average price of a light bulb is about 90 cents whereas a hair dryer can range up to 20 dollars.
Why is the light bulb a great invention?
because it produce light in the night
What shines at night time?
A light bulb...LOL jk you cant afford a light bulb so nothing shines in your lamp.
What is the minimum watt of a light bulb for night reading?
40 watt light bulb. This is obvious. Go do an experiment. -_-
Is it safe to leave a night light on all night?
Yes , it is safe to leave a night light on all night , however it depends on the size and the bulb.
Why did josehpswan invented the bulb ligh?
Joseph Swan is not credited with inventing the first practical light bulb. That honor goes to Thomas Edison. The light bulb was invented to light the night.
How has the light bulb changed since it was invented?
any where you look you will se a light bulb. This made things able to be done at night for more squezeen of work hours. probably the light bulb invented the night shift also.
What determines whether a 100 watt light bulb costs more to use than a 1200 watt hair dryer costs to use?
The light would have to be on for 12 times longer to use the same energy as the hair dryer.
Why did he invent the light bulb?
he invented it so people can see at night
How did Thomas Edison help us today?
He invented the light bulb so we could have light at night!
How do you replace the back-light bulb in the headlight switch of a 2001 Dodge Durango?
Pull the switch and change bulb in rear. 1 for night light and 2nd for fog light indicator.
