how much power is a watt?
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A watt (W) is a joule (J) of energy used or produced per second. In 2010, the average US power use was 3.3 terawatts, or 3,300,000,000,000 watts. A horsepower is a unit of power. 1 horsepower (hp) is 745.7 watts.
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For those who are keeping track, one watt is equivalent to electricity flowing at a rate of one joule per second in the metric system, which is also equivalent to 3.4 Btus per hour. A 60-watt lightbulb will consume electricity at a rate of 60 watts. A laborer working through the day will put out 75 watts of power.
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To determine how many watts of power a power strip can handle, you simply multiply the volts by the amps. Most facilities will run on 120 or 240 volts. For a 15 amp power strip on a 120-volt circuit, the power strip can handle up to 1800 watts.
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Typical idle power ranges from 15 watts to 50 watts for a home-size inverter. An inverter's spec sheet may describe the inverter's “idle current” in amps. To get watts, just multiply the amps times the DC voltage of the system.
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On average, a domestic solar panel has a power output of around 265 watts, although it can range anywhere from as little as 225 watts to more than 350 watts. The higher the wattage of a solar panel, the more electricity it can produce under the same conditions.
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Solar Panel Power Output On average, a domestic solar panel has a power output of around 265 watts, although it can range anywhere from as little as 225 watts to more than 350 watts. The higher the wattage of a solar panel, the more electricity it can produce under the same conditions.
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Your electric heater wattage tells how much electricity is needed to power it. Most electric heaters use 1,500 watts, but some are slightly less or slightly more. Let's go ahead and assume you've got a 1,500-watt heater. Since 1,000 watts equals 1 kilowatt, that means your heater uses 1.5 kilowatts of power.
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Using Ohms law, you would multiply amperage times volts to get watts. For instance a 12 volt circuit drawing 2 amps would consume 24 watts of power (12*2=24). A 60 watt light bulb powered by 120 volts in a house would draw . 5 amp of current (60/120= .
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A watt equals a joule per second. If a smart phone uses five joules of energy every second, then the power of the phone is five joules per second, or five watts. The animation above demonstrates the difference between energy and power.
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Electricity usage is calculated in kilowatt-hours. A kilowatt-hour is 1,000 watts used for one hour. As an example, a 100-watt light bulb operating for ten hours would use one kilowatt-hour. Below are some examples of electrical appliances found in most homes.
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Now we're getting somewhere! On average, at any given moment, your brain's electricity is outputting roughly 0.085 Watts of power. Your brain is basically an energy saving LED.
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Desktop power supplies have a power output rating of from 200 watts to 1800 watts (for ultra-high-end, enthusiast-class products). Wattage ratings higher than that would exceed the capabilities of a typical 15-ampere electrical outlet.
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Power in general is defined as energy over time. Watts are defined as 1 Watt = 1 Joule per second (1W = 1 J/s) which means that 1 kW = 1000 J/s. A Watt is the amount of energy (in Joules) that an electrical device (such as a light) is burning per second that it's running.
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Watts are a unit of power and power equals voltage multiplied by the current. So 1 kva equals 1000 volt amps, meaning volts multiplied by amps, therefore equals 1000 watts.
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As others have already answer to this question, power is the product of voltage and current. =I (sq) r. So There will be 250 watts in 250 volt if current drawn by your bulb is, say 1 Amp. 250 v x 1 amp = 250 watt.
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Watt, unit of power in the International System of Units (SI) equal to one joule of work performed per second, or to 1/746 horsepower. An equivalent is the power dissipated in an electrical conductor carrying one ampere current between points at one volt potential difference.
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Stimpy, the power rating tells you the rate at which the device consumes energy. So yes, a 60-Watt bulb will consume 60W*h or 0.06kWh of electricity in one hour. Watt-hours measure energy consumption.