4 mW is 24 dB less than 1 watt.
(-24 dBW)
It depends on how many Milliamp you push the 1w led. Most 1w leds are not 1w of power but less, so that they dont burn out fast. So the answer would not be 1w but truely less than 1w.
Because at the equator, radiation from the sun strikes the earth head on. So if the sun had a heating effect of 1W/m3 (not accurate), every square metre on the equator would get 1W. However, at the poles of the earth, sunlight strikes at an angle. As a result, the 1W of heat would be spread over a larger area. As a result, the poles receive less heat energy and are colder than the equator.
Watt.
The coordinates 52N and 1W indicate a location in the United Kingdom, specifically in the eastern part of England.
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yes if you add two 20V/1W zener in parallel you will arrive 20V/2W
FM radio station transmit power in kW, while microwave radio only transmit in 1+ W max. New microwave radio transmit power less than 1W.
You can't change a single quantity, only a ratio, into a decibel:The ratio of powers in dB =10log10(P/P0)where P is the measured power and P0 is the reference level for the application.So if the reference is 1W and the signal is 100W the ratio =10log10(100/1) = 10 X 2 = 20dB(For intensities the factor is 20)
Three ranges.
1w+3w=2w
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3w^2, because your multiplying 3w by 1w so you get 3w to the second power