When an electric field is applied to the medium, an induced charge will be generated to weaken the electric field. The ratio of the original applied electric field (in a vacuum) to the electric field in the final medium is the permittivity, also known as the permittivity. If a material with a high dielectric constant is [...]
According to foreign media, Asia is beginning to see signs of economic recovery with the help of China's economic recovery. Less than a year after reporting the world's first cases of new coronary pneumonia, China is entering a new phase of expansion. According to a Reuters report from Beijing/Seoul on October 29, the current international community’s [...]
France once again "closed city" nationwide to curb the COVID-19 French President Macron announced on the 28th that to curb the spread of the COVID-19, France will once again "close the city" across the country from the 30th. Macron announced in a televised speech that day that the nationwide "closed city" will continue until at least [...]
The meaning of parasitic is that there is no capacitance designed in that place, but because there is always mutual capacitance between wiring, mutual capacitance is like parasitic between wiring, so it is called parasitic capacitance, also called stray capacitance. 1. On the other hand, in addition to the capacitance between the plates of the sensor, [...]
Reference News Network reported on October 27 According to an article on October 25 on the US "Wall Street Journal" website, the trade war with China has not boosted the strength of US manufacturing. Economic data shows that although President Trump imposed tariffs on hundreds of billions of dollars of Chinese goods to curb imports, his [...]