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The energy in a flash can be estimated from the voltage, current and time. If it's 10 million volts and 100,000 amps that is 1012 watts, and if it lasts for 10 microseconds (10-5 seconds) the energy would be 107 Joules, which would power a 100 w bulb for 105 seconds, or 28 hours.

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Name something that causes a flash of light?

lightning camera flash passing car flash light fireworks


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The flash of light seen when rain falls is called "lightning".


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The word "lightning" is used to describe a flash of light in the sky during a storm.


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Old cameras used to use flash bulbs. The storm was over in a flash. A flash of lightning scared the children.


What is the homophone for lightening?

The homophone for "lightening" is "lightning." "Lightening" means to make lighter, while "lightning" refers to a sudden flash of light in the sky during a storm.


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What is flash produced by a discharge of atmospheric electricity?

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