Step-by-Step Solution:1. Definition of Solar Energy: - Solar energy is defined as the radiant light and heat that is emitted from the Sun. It is a renewable source of energy that can be harnessed for various
These are examples of ancient uses of solar energy, but the technology used to capture the sun’s energy today didn’t come about until 1839. Edmond Becquerel was a 19-year-old French physicist credited with discovering the photovoltaic effect. He found that photovoltaics created an electric cur...
题目Solar energy is a clean energy source. How many hours of sunlight are needed to generate a certain amount of electricity? A. 4 hours B. 6 hours C. 8 hours D. 10 hours 相关知识点: 试题来源: 解析 C。短文中提到太阳能产生一定电量通常需要 8 小时的阳光照射。选项 A4 小时、选项 B6 ...
Today more people put personal and private information online to do everyday activities such as banking, shopping and socializing. Is this a positive or negative development? Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at least 250 wo...
有这样一句话:“How much solar energy will the solar panels transform into electrical energy if the efficiency is 90%?” 想问这句话到底是要求什么,是太阳能还是电能‥我个人觉得是太阳能吧…假如是电能的话, 相关知识点: 试题来源: 解析 求的是solar energy ...
The solar energy should be collected as close as possible to the source where it will be used. The 48,000 watt-hours are the total heat that escapes into the house from these extraneous sources in a day, an average of 2.0 kW, all the time. It is this heat that accounts for a 3掳...
百度试题 结果1 题目The problem now is how to make wide use of solar energy. A. discussed B. discussing C. being discussed D. to have been discussed 相关知识点: 试题来源: 解析 C 反馈 收藏
This fluid is stored in two tanks, one at a low temperature and one at a high temperature. Solar energy is used to heat up the fluid in the low temperature tank, which then flows into the insulated high temperature tank for storage. When energy is needed, the fluid in the high ...
HowdoesHolmesfeelaboutsolarenergyequipment? A. Itislaborsaving. B. Itiseasilyoperated. C. Itistimeconsuming. D. Itispowerguaranteed. 相关知识点: 试题来源: 解析 D 答案D 解析 推理判断题。根据文章第三段霍尔姆斯说的话,可知,火车站站台屋顶的太阳能系统和火车顶部的太阳能系统都可以为火车提供...
A. It's a clean and sustainable energy source, so it's very good. B. It's not reliable as it depends on the weather. C. It's too complicated to be widely used. 相关知识点: 试题来源: 解析 A。解析:太阳能是一种清洁且可持续的能源,这是非常好的。虽然它依赖天气但不能否定其整体的...