how much power to run tv?
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How much electricity does my television use? Most TV's use about 80 to 400 watts, depending on the size and technology. Using a sample cost of 15¢ per kilowatt-hour and five hours of viewing a day, that's $1.83 to $9.13/mo.
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As a very rough rule of thumb, the wattage rating of a UPS is approximately 0.6 * its VA rating so, as you have seen, a 700VA UPS is good for a power load of around (0.6 * 700) = 420W (your specs said 405W). Conversely, the minimum VA rating you need is approximately 1.6 * load wattage.
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If you have a 60 spotlight on for 14 hours at full power, and a 16W UV tube for 14 hours, the total power = 74. or 1.036kWh which is also 1.036 units of electricty. If electricity costs 12p per unit and you use 1.036 units per day then your running costs will be about 12p per day.
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Step 1. Buy a solar panel that is powerful enough to run the computer you want to use it with. Small netbook computers use 45 to 60 watts of power, but a larger laptop or gaming notebook may use as much as 90 watts.
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Energy Usage A window AC unit can use anywhere from 500 to 1440 watts of electricity to run, while a typical central air unit in the average sized home uses about 3500 watts.
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While shutting the computer and monitor completely down is the best choice for saving on electricity costs, today's computers use very little power when in sleep mode. A laptop in sleep mode will use about one to two watts of electricity and a desktop will use one to five watts.
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Most modern devices use no more than 1 watt in standby mode, and many of them use less than 0.5 watts. But the typical American household uses 11,040 kWh per year. So the standby power for one device represents a mere 0.08% of the household's energy use.
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Common voltages for electronics stuff is 5-20 volts. Power that comes into the house in 120-240 volts; about 50-60 volts is the threshold of safety. High voltages in the hundreds or thousands or 10-thousand are used for old CRT tubes (displays) and neon or plasma lighting.
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How much electrical power do I need for my home? During normal energy use, the power supplied by your meter (9.2 kVA on average) should suffice. In theory, this allows you to simultaneously supply devices with a maximum power of 9.2 kW or 9200 watts.
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Most computers are built to use up to 400 kilowatts of electricity per hour, but they usually use less than that. The average CPU uses about as many kilowatts per hour as the typical light bulb. Any computer that's running on a Pentium-type processor uses about 100 kWh. This is with the monitor off.
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Average household refrigerators usually need in the range of about 2000-2500 starting watts. It is very important to have a generator that can support this need as a power spike that it cannot handle can seriously damage your generator.
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Factors That Determine Your TV's Energy Consumption But how much does it cost to leave the TV on all day? Using our example of a 200-watt TV and EnergyGuide's standard of 11 cents per kWh, running the TV for 12 hours per day would cost you $96.36 per year.
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We estimate that an average modern desktop PC will use approximately 100 watts of power, not including the display screen. Click calculate to find the energy consumption of a desktop computer using 100 Watts for 6 hours a day @ $0.10 per kWh.
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How much do they cost to run? The wattages of our current range vary between 65W and 130W, so depending on the electricity tariff, they should cost on average between 1-3 cents per hour to operate.
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Answer: A: Answer: A: If you look at the bottom of the apple tv, you should see "input 120-240v 50-60hz", if that's the case, then you can run it on 240 volts.
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4. Power supply. ... However, using the USB port(s), your TV can also power other devices like smartphones and TV dongles (some Chromecast devices and Amazon Firestick) that require a power source. Depending on the manufacturer and model, a TV can supply as much as 5V and 500ma of power to small devices.
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Most desktop computers consume around 70 to 200 watts while laptops would consume between 15 to 60 watts. That's 70% to 80% difference and savings.