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Generally, using power during "peak" times when overall demand is high, such as early evening hours, uses more power. This is because the electricity grid has to work harder to meet the increased demand during these times. It is more energy-efficient to use power during "off-peak" times when demand is lower.
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What happened to energy when an appliances is used for a longer time?
Typically, an electrical appliance uses electrical energy at a certain rate (a certain power, a certain amount of energy per second). The longer you keep it on, the more energy it will use in total. The relation is simply: energy = power x time Units might be joule, watt, and seconds; or kWh, kW, and seconds.
What is difference between MVArh MWh and MVah?
All three refer to a form of power. Active power units use watts, apparent power uses voltamps, and reactive power uses voltampreactives. So, they are Wh, VAh, and VARh. The M is the prefix for Mega, meaning 10^6.
Is power derived from energy?
Power = energy / time. For example, if a devices uses an ENERGY of 1000 Joules in 10 seconds, then during those 10 seconds it uses a POWER of 1000/10 = 100 Watts.
What is the formula of power if distance and force are given?
You need one more "given": the time, i.e., how long it takes you. Work = distance x force, and power = work / time. Thus, you get: power = distance x force / time
Which requires more power-walking or running up the steps and why?
Running up requires more power. The reason is that you spend the same energy in less time.Running up requires more power. The reason is that you spend the same energy in less time.Running up requires more power. The reason is that you spend the same energy in less time.Running up requires more power. The reason is that you spend the same energy in less time.
What is the clause that congress uses the get more power?
The elastic clause is the clause that Congress uses to get more power.
What is the clause that congress uses to get power?
The elastic clause is the clause that Congress uses to get more power.
Why does DRAM uses more power?
dram uses more power because it recharged and refreshed again and again to maintain its data
What is the clause congress use to get more power?
The elastic clause is the clause that Congress uses to get more power.
What is the Electrical power for a lightbulb?
The power rating for a light bulb (like "40 W") tells how much electrical power the light bulb uses. All of the power used by the bulb is either converted into light or heat. In an incandescent bulb, most of the energy becomes heat. In a fluorescent bulb, more of it becomes light.
What is the difference in how energy would be produced in a sprinter vs a marathon runner?
Sprinter uses high power and short time, while a marathoner uses low power over a long time.
Does a PC use more power than a TV?
A PC uses less power than a TV
What is the power difference between a cordless leaf blower and a plug in one?
The power difference between a cordless leaf blower and a plug in one is that the cordless leaf blower uses less power as it uses a battery whilst plug in one uses more power and higher voltages of power.
What is electricity children's definition?
electricity you can sometimes say power instead of electricity. Electricity is something that uses power like take a ipod, ipad, light,fan and many more that uses power
What uses a compound gear train?
Any power plant that uses more than a single steam turbine as a prime mover. It could be a power plant, or a ship for instance. They use a compound gear train to get everything going the same way at the same time and at the same speed.
Which uses more power a desktop or laptop of the same processor speed?
The desktop would, I would think, as it is bigger and has more space for that kind of power. This is correct but not for that reason (desktops are mostly empty space). Laptops are designed to use low power and be portable so they uses more expensive parts that use less power.
Why does the speaker phone on cell phones use more battery power?
The speakerphone on cell phones uses more battery power because it requires more energy to produce sound at a higher volume. The speakerphone uses additional hardware components, such as a larger speaker, which draw more power from the battery compared to using the regular phone earpiece.
