0
Multiply the current by the voltage: 120 times 0.3, which is 40 watts.
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
Never use a halogen light bulb over How many watts?
300 watts is the correct answer
How many watts is a lighthouse light?
A standard lighthouse bulb is 1 million candle power. This is about 1000 watts. The standard household bulb is only about 60 to 100 watts.
A LED light of 3 watts gives off the same amount of light as an incandescent bulb of 45 watts This means that the LED light.?
A 3 watt led light is not the same as a 45 watt bulb. A led light is a lot brighter.
How many volts do you need to light up a 15 watts light bulb?
15.
How do you prove that it is the wattage and not the physical size of a light bulb that matters for energy use?
Energy use is measured in watts. The watts used by a light bulb is on the package or the bulb. Find bulbs with the same wattage but different physical sizes if you want to prove this.
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 many watts are in 60hz?
There are 1350 watts in a 60 hz bulb. There is a push not for everyone to transfer to led bulbs.
Is Watts light bulb OK for weed plant?
Can I use 50 watts light bulb for weed plant
What is the power of light bulb mesured in?
a light bulb is measured in watts
What is 60w light bulb?
a normal incandescent 60 watt light bulb uses 60 watts of electricity to produce 20 watts worth of light, and 40 watts worth of heat. It is more of a heat bulb than a light bulb. it is great if you can capitalise on the free heat, but if it is not cold in your house, turn it off. is there a better bulb? no. why are they ideal? cheap (as low as 10 cents for the el cheapos), never change shape/design/size/compatability, make pleasant light I could go on for an hour, but the best bulb is the cheapest.
Which light bulb has fewer watts?
LED.
What are 5 things you might find in a house that is measured in watts and what is the number of watts in it?
light bulb, microwave, telephone, tv, florescent light bulb
What is the power of light bulb measured in?
the unit which are measured for power of lights are watts....
Does a 100 watts light bulb have 100 watts or does it use 100 watts when lit?
Use 100 watts
How much does a light bulb change the temperature of a room?
Very little, but it is noticeable, with a bright light in a small room. A light bulb puts out between 9 watts (energy-saving fluorescent light bulb) to approximately 100 watts (bright incandescent light bulb). Your average bar-heater, for comparison, puts out about between 1200-2400 watts.
The power of a light bulb is measuerd in?
Light bulbs are rated in watts
What it is the difference between 100 watts and 75 watt light bulb?
25 watts?
