How many kilowatts does a TV use?

How many kilowatts does a TV use? How Much Electricity Do My Home Appliances Use? Appliance Wattage per hour of use Annual cost (at average use) Television (>40”, HD TV) 234 $41.00 Refrigerator 225 $78.84 Washing Machine 255 $9.55 Dryer 2790 $104.46 Is it expensive to have a fan on all night? According to Energy […]

Are superconductors 100% efficient?

Are superconductors 100% efficient? A superconducting material has absolutely zero electrical resistance, not just some small amount. If conductor resistance could be eliminated entirely, there would be no power losses or inefficiencies in electric power systems due to stray resistances. Electric motors could be made almost perfectly (100%) efficient. Which metal is superconductor? But at […]

Is using Brainly cheating?

Is using Brainly cheating? Brainly is a place for students to share and explore knowledge together as a community. Our Honor Code does not allow cheating, plagiarism, or other violations of academic integrity. Which job in the finance career would be best for someone who has knowledge? Explanation: The job of ‘Insurance Underwriter’ would be […]

What electromagnetic waves are blocked by the atmosphere?

What electromagnetic waves are blocked by the atmosphere? In contrast, our atmosphere blocks most ultraviolet light (UV) and all X-rays and gamma-rays from reaching the surface of Earth. Because of this, astronomers can only study these kinds of light using detectors mounted on weather balloons, in rockets, or in Earth-orbiting satellites. What is an artificial […]

What is big K in physics?

What is big K in physics? Boltzmann constant, (symbol k), a fundamental constant of physics occurring in nearly every statistical formulation of both classical and quantum physics. … What is the symbol of K in physics? Symbols for physical quantities and their international units symbol quantity unit K, Kt, Kr kinetic energy (translational, rotational) joule […]

What is its effect to the environment?

What is its effect to the environment? Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. Can humans improve their environment if so how? Avoid Taking Cars or Carpool When Possible. Cars are harmful […]

Is it harder to kick a deflated football?

Is it harder to kick a deflated football? “Basically, a little bit of air removed from the ball makes it easier to kick accurately because you get more ball surface in contact with the toe,” Timothy Gay, physics professor at the University of Nebraska, told NBC News. Why does cold air make balls deflate? As […]

Why do we need to follow Seat Belts Use Act?

Why do we need to follow Seat Belts Use Act? Seat belts reduce serious crash-related injuries and deaths by about half, according to the National Highway Traffic Safety Administration. The simple act of wearing a seat belt is the single most effective way to reduce the risk of fatality in a crash. Why are seat […]

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