nanowatts nW International System of Units (SI) 1 W = 1,000,000,000 nW microwatts μW International System of Units (SI) 1 W = 1,000,000 μW milliwatts mW International System of Units (SI) 1 W = 1,000 mW watts W International System of Units (SI) base unit for power decawatt...
结果1 题目 Saving electricity will not only save you money, but will also help with the rising power cuts.grot All household appliances (用电器) are rated (分级) in watts or kilowatts. This will much electricity the appliance uses in a certain amount of Ihow tos2. For example, A 100...
9.4.2Basic Definitions: Amperes, Volts, and Watts Amperage(A or Amp): This is a unit of electrical current. The Amperage or Amps provided by an electrical service is the flow rate of “electrical current” that is available. Appliance will typically have an Amp rating or, ifonly a wattage...
As usual, the actual number of watts consumed in cooling a home varies greatly depending on the type of unit, the capacity, the time it's operating and the efficiency rating. An air-conditioning unit might use anywhere from 200 to 1,800 kWh/month. You can take some important steps to ...
All household appliances (家用电器) are rated (率) in watts or kilowatts. This will 1_ how much electricity the appliance uses in a certain amount of _2_. For example, a 100-watt light bulb uses one unit of electricity every 10 hours. Usually, the _ 3 _ the rating, the more ...
Wh –The Watt-Hour is defined as the amount of electric energy consumed by an electric circuit over a given time duration. For example, a normal electric bulb consumes 100 watts of power per hour. dB –A Decibel is a one-tenth unit of Bel (symbol B). It is used to represent a gain...
What is a watt (W)? A watt is a unit of power in the International System of Units (SI). The symbol for watt is W. There are 1,000,000 watts in a megawatt.Conversion Formula Let's take a closer look at the conversion formula so that you can do these conversions yourself with a...
Power is defined as energy per unit time: (9.3)P=dEdt To relate power to the variables v and i, note that from Equation 9.1: (9.4)dE=vdq Substituting this definition of energy into Equation 9.3 gives: (9.5)P=dEdt=v(dqdt)=viwatts since dq/dt is just the definition of current, i...
ll need to know the difference between kW vs. kWh. It's easy to use the terms kW and kWh interchangeably, but they are two separate units of measure. A kW simply means a kilowatt — a unit of measure for electricity that equals 1,000 watts. A kWh (kilowatt-hour) is a unit of ...
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