1 unit equal to how many watt?
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A unit (as mentioned on the electricity bills) is represented in kWH or Kilowatt Hour. This is the actual electricity or energy used. If you use 1000 Watts or 1 Kilowatt of power for 1 hour then you consume 1 unit or 1 Kilowatt-Hour (kWH) of electricity.
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Electricity is measured in Watts and kilowatts Some devices require only a few Watts to operate, and other devices require larger amounts. The power consumption of small devices is usually measured in Watts, and the power consumption of larger devices is measured in kilowatts (kW), or 1,000 Watts.
899188
A MWh refers to 1000 units of electricity, where one unit of electricity is 1 kWh.
1379109
However, electricity on your bill is measured in kilowatt-hours (kWh), not watt-hours. One kilowatt is equal to 1000 watts, so to calculate how many kWh a device uses, divide the watt-hours from the previous step by 1000.
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One MW is equal to one million watts or one thousand kilowatts, so we're talking about a very large amount of energy. As a general rule of thumb, each MW of a coal power station's capacity can supply around 650 average homes.
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Watts=Volts x Amps in Direct Current systems. So say 120 Volts x 20 amps, is 2,400 Watts. Amperes are units of current. Volts are a measure of voltage.
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['Calculate the watts each device uses per day.', 'Convert watts to kilowatts. There are 1000 watts in one kilowatt.', 'Determine the kilowatts an appliance uses per month.', 'Figure out the cost. (Some multiplication required.)']
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Assuming a 120VAC fixed-voltage source, 120 Watts corresponds to one Ampere, because the definition of electrical power is that one Watt equals one Volt times one Ampere.
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One watt is equal to 1 Newton-meter per second (Nm/s). You can multiply the amount of torque in Newton-meters by the rotational speed in order to find the power in watts.
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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.
1064470
A Watt is defined as one Joule per second. Therefore, kWh is actually a unit of power, as it measures how many thousands of Watts per hour you have used. So, in a way you are right, but it's a unit of energy transferred in a given time frame, which we call power.
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One watt is equal to 1 Newton-meter per second (Nm/s). You can multiply the amount of torque in Newton-meters by the rotational speed in order to find the power in watts. Another way to look at power is as a unit of speed (m/s) combined with a unit of force (N).
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Just like the odometer on your vehicle that shows the actual distance travelled by the vehicle, electricity meter shows the amount of electricity that is used. So a 100-Watt bulb if kept on for 10 hours will consume: 100 x 10 = 1000 Watt-Hour = 1 Kilowatt-Hour (kWH) = 1 units (on your meter).
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Power equals work (J) divided by time (s). The SI unit for power is the watt (W), which equals 1 joule of work per second (J/s). Power may be measured in a unit called the horsepower. One horsepower is the amount of work a horse can do in 1 minute, which equals 745 watts of power.
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Units. The dimension of power is energy divided by time. In the International System of Units (SI), the unit of power is the watt (W), which is equal to one joule per second. Other common and traditional measures are horsepower (hp), comparing to the power of a horse; one mechanical horsepower equals about 745.7 watts.
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Watt. ... The watt (symbol: W) is a unit of power. In the International System of Units (SI) it is defined as a derived unit of 1 joule per second, and is used to quantify the rate of energy transfer. In SI base units, the watt is described as kg⋅m2⋅s−3.
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A kWh equals the amount of energy you would use by keeping a 1,000 watt appliance running for one hour. In metric, 1,000 = kilo, so 1,000 watts equals a kilowatt. For instance, if you turned on a 100 watt bulb, it would take 10 hours to use one kilowatt-hour of energy.