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10 3: kilo-(kW) 1–3 × 10 3 W tech: heat output of a domestic electric kettle: 1.1 × 10 3 W tech: power of a microwave oven: 1.366 × 10 3 W astro: power per square meter received from the Sun at the Earth's orbit: 1.5 × 10 3 W tech: legal limit of power output of an amateur radio station in the United States up to 2 × 10 3 W
10 1 W daW decawatt 10 −2 W cW centiwatt 10 2 W hW hectowatt 10 −3 W mW: milliwatt: 10 3 W kW: kilowatt: 10 −6 W μW: microwatt: 10 6 W MW: megawatt: 10 −9 W nW: nanowatt: 10 9 W GW: gigawatt: 10 −12 W pW: picowatt: 10 12 W TW: terawatt: 10 −15 W fW: femtowatt: 10 15 W PW: petawatt: 10 −18 W aW attowatt 10 18 W EW exawatt 10 −21 ...
In 2014, the United States official fuel-economy window sticker for electric vehicles used the abbreviation kW-hrs. [10] Variations in capitalization are sometimes encountered: KWh, KWH, kwh, etc., which are inconsistent with the International System of Units. The notation kW/h for the kilowatt-hour is incorrect, as it denotes kilowatt per hour.
All domestic (United States) AM stations are classified as A, B, C, or D. [1]A (formerly I) — clear-channel stations — 10 kW to 50 kW, 24 hours.. Class A stations are only protected within a 750-mile (1,207-kilometer) radius of the transmitter site.
A typical turbocharged V8 diesel engine might have an engine power of 250 kW (340 hp) and a mass of 380 kg (840 lb), [1] giving it a power-to-weight ratio of 0.65 kW/kg (0.40 hp/lb). Examples of high power-to-weight ratios can often be found in turbines.
Citing measurements made at the 1925 Iowa State Fair, they reported that the peak power over a few seconds has been measured to be as high as 14.88 hp (11.10 kW) [11] and also observed that for sustained activity, a work rate of about 1 hp (0.75 kW) per horse is consistent with agricultural advice from both the 19th and 20th centuries and also ...
(72,000 BTU/h) × (1000 h/year) × ($0.12/kW·h) ÷ (10 BTU/W·h) ÷ (1000 W/kW) = $860/year. Example 2. A residence near Chicago has an air conditioner with a cooling capacity of 4 tons and an SEER rating of 10. The unit is operated 120 days each year for 8 hours per day (960 hours per year), and the electric energy cost is $0.10 per kilowatt ...
Engine power is the power that an engine can put out. It can be expressed in power units, most commonly kilowatt, pferdestärke (metric horsepower), or horsepower.In terms of internal combustion engines, the engine power usually describes the rated power, which is a power output that the engine can maintain over a long period of time according to a certain testing method, for example ISO 1585.