How long can you power a 40-watt light bulb on 240 hydrogen fuel cells?

Answer Hydrogen fuel cells should be able to power many 40-watt light bulbs for a very, very long time. The average incandescent bulb has a life span of about 2 years, and the average compact fluorescent ... Read More »

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Can I use a 120 watt flourescent bulb (32 watt draw) in a maximum 60-watt incandescent light fixture?

The rating of the fixture is simply to limit the current that you put on it. If you have a fluorescent bulb that is drawing less current (32W) than the rating of the fixture (60W), there is no pro... Read More »

What does the difference between a 60-watt and a 100-watt light bulb describe?

How much energy does it take to light a 60-watt light bulb for an hour?

The amount of energy a device uses is measured in watts. So a 60 watt light bulb will use 60 watts of electricity. However, the amount of electricity used over a period of time is typically measure... Read More »

What is a 7-watt LED light bulb equivalent to?

A 7-watt LED (Light Emitting Diode) will produce the equivalent amount of light (lumens) as a 60-watt incandescent bulb. LEDs last longer and are more friendly to the environment compared to incand... Read More »