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What does the number on the top of a light bulb indicate?
The number on the top of a light bulb indicates the wattage of the bulb, which is a measure of the amount of power the bulb consumes. This can give you an idea of how bright the light will be and how much energy it will use.
What is wattage of a light bulb?
The wattage of a light bulb indicates how much power it consumes. It is a measure of the bulb's energy usage, with higher wattage bulbs typically producing more light.
How much was the Thomas Edison's light bulb?
Thomas Edison's light bulb was patented in 1879. The cost of the original light bulb produced by Edison was around $1, which was quite expensive at that time.
Is a watt a light bulb?
A 60 watt light bulb is a light bulb with 60 watts capacity. When talking about watts, you're talking about the power that is transferred from the appliance to the accessories. Therefore, the light bulb labeled "60 watts" takes 60 watts to light up. A 60 watt light bulb will not be as bright as a 120 watt light bulb.
How much charge flow through a light bulb in 4 second when the current is 35A?
The charge that flows through the light bulb can be calculated using the formula Q = I * t, where Q is the charge, I is the current, and t is the time. Therefore, Q = 35A * 4s = 140C. So, 140 coulombs of charge flow through the light bulb in 4 seconds with a current of 35A.
Theres a 100watt bulb left on for one 30 day month uses 72 kilowatt-hours of electricity the cost is 5.76 How much does a 100watt bulb use in 1week and how much does it cost?
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How much energy does a 95 watt light bulb use in 40 seconds?
The energy is 95 x 40 watt-seconds (Joules).
How much work does a 100-watt light bulb do when its lit for 30 seconds?
3000 joules(J)
How much heat energy will a 40W light bulb give out in 3 minutes?
Joules = watts x seconds. Just convert the minutes to seconds, then multiply.
Do energy efficient bulbs really reduce an electric bill?
Yes A 100watt light bulb left on for 10 hours will use a much electricity as a 1 Kilowatt fire left on for one hour. An energy efficient light bulb giving out the same amount of light as a 100watt bulb, only actually uses 20watts of electricity. That is 1/5th of the electricity, it will need to be on for 50 hours to use as much as a 1 Kilowatt fire left on for one hour. This will reduce your electric bill but the bulbs are more expensive than old 100watt bulbs (but the energy efficient bulbs last 6-8 times longer! so this balances out).
How much energy does a 100-w light bulb use in 10 s?
Power = energy / time, in SI units: watts = joules / seconds. Solving for energy: Joules = watts x seconds.
How much energy do you save with 10 light bulbs off?
That depends on the power used by each light bulb. Look at the specifications for a specific light bulb, then multiply the power by 10. Note that energy = power x time; that is to say, the energy spent by a light bulb depends on its power, but also on how long you keep it on. Specifically, watts = joules x seconds.
Why does a bulb blow?
Because to much electricity is getting through to the light bulb.
What does the number on the top of a light bulb indicate?
The number on the top of a light bulb indicates the wattage of the bulb, which is a measure of the amount of power the bulb consumes. This can give you an idea of how bright the light will be and how much energy it will use.
What is wattage of a light bulb?
The wattage of a light bulb indicates how much power it consumes. It is a measure of the bulb's energy usage, with higher wattage bulbs typically producing more light.
How much electricity does electric bulb uses?
The quantity of power consumed by a light bulb is dependant on the wattage of the bulb.
How much was the Thomas Edison's light bulb?
Thomas Edison's light bulb was patented in 1879. The cost of the original light bulb produced by Edison was around $1, which was quite expensive at that time.
