One long-distance flight consumes fuel which a car uses in several years' time, but they cause the same amount of pollution. So, some people think that we should discourage non-essential flights, such as tourist travel, rather than limit the use of cars. To what extent do you agree or ...
Nearly all of our cellshave the ability to generate electricity. And in this article, we'll look at the role of electricity in the human body and find out how we produce it in the first place. The starting point is simple: Right now, any cells in your body that aren't actively sendi...
So far, we've assumed that all the power your body produces is converted to electricity. However, that is not true--pedal-powered generators are not 100% efficient. There are three sources of losses:mechanical power losses - energy lost in the drive system that transfer the crank's ...
百度试题 结果1 题目3. A television set uses 3 units of electricity in 2 hours. How many units will it use in 7 hours? Give your answer to the nearest unit. 相关知识点: 试题来源: 解析 11units 反馈 收藏
A Human Battery In a nutshell, abatteryuses a chemical reaction to produce an electricalcurrent. Mount the copper and aluminum metal plates to two separate pieces of wood. Connect one plate to one of the DC microammeter's terminals using an alligator clip and the hookup wire. Connect the ...
Some devices use varying amounts of electricity. An easy example is an oven, whose energy use depends on how high you crank it. Perhaps a less obvious example is a washing machine, which effectively uses phenomenally more energy if you wash in hot rather than cold. Then there's the refrig...
Lighting accounts for about 7% of the total electricity used up in the US. Since lighting is often far removed from the power source—such as the distance from a power plant to street lamps on a highway far away—a lot of energy is lost during sending. Glowing plants could shorten this...
Your neurons create and send more messages than all the phones in the world.And although one neuron creates only a little electricity,all your neurons together can produce enough electricity to power a light bulb(灯泡).So exactly how fast does your brain work?(38) A Neuro...
Other such GPTs include electricity, the steam engine and the internet — things that become fundamental to society because they can affect the quality of life for everyone. (That GPT is different, by the way, from the one in ChatGPT, which stands for "generative pretrained transformer.") ...
Ask, at the first and broadest level, “how do we decarbonise by 2045?” and a constructive answer would be: by drastically reducing the carbon emissions from buildings, cities, transport, electricity and heating. This answer is not wrong. However, it is not a solution. Take a second ...