译自可汗学院Class 12 Physics (India) 的半导体课程 Lesson 1:固体能带理论第4节课:导体、绝缘体和半导体 https://www.khanacademy.org/science 为什么某些物体表现得像导体,而另一些则不然?这似乎是一个非常简单的问题,但事实并非如此。要真正回答这个问题,我们需要更深入地研究固体的电子能级。在本视频中,我们...
译自可汗学院Class 12 Physics (India) 的半导体课程 Lesson 2:半导体基础知识 第2节课:本征激发和复合 https://www.khanacademy.org/science 本征半导体中有多少自由电子和空穴? 在本视频中,让我们了解如何计算任何给定温度下本征半导体中的电子和空穴的数量。 由 Mahesh Shenoy 制作。 你在模拟电路中遇到的所有问...
Khan Academy | Free Online Courses, Lessons & Practice Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere...
Khan Academy allows you to learn almost anything for free. Khan Academy cover a massive number of topics, includingK-12 math, science topics such asbiology,chemistry, andphysics, and even the humanities with playlists on finance and history. You can learn about thefundamentals of computer science...
Khan Academy 大小 46.9 MB 類別 教育 相容性 iPhone 需要iOS 15.0 或以上版本。 iPad 需要iPadOS 15.0 或以上版本。 iPod touch 需要iOS 15.0 或以上版本。 語言 丹麥文、亞塞拜然文、亞美尼亞文、保加利亞文、匈牙利文、北印度文、印尼文、土耳其文、塞爾維亞文、孟加拉文、巴克摩文挪威文、德文、捷克文、旁遮普文...
Khan Academy Salman “Sal” Khan is the founder of theKhan Academy, a not-for-profit organization with the mission of providing a high quality education to anyone, anywhere. Andrew: Before we get started, I’ve got to tell you about three great companies. PicClick is the first. It’s ...
Right now, you unlock access to Khanmigo by setting up a recurring donation to Khan Academy of $99 annually or $10 monthly. Once you donate, it can take a little while for Khan Academy to unlock your access to Khanmigo. Don’t panic if you can’t access Khanmigo right away. ...
(PhysOrg.com) -- The problems with basic education, both in the US and other countries, are complex, but one website may have the ability to improve education on a global scale. The Khan Academy, whose mission is to "provide a free world-class education
Khan Academy is a small nonprofit that works to make world-class content available free to educators and students around the globe. However, their limited resources require prioritization. Over the last few years, they have deepened their focus on core academic content and seen the usage of that...
The revolutionaryKhan Academyis a brainchild of Bangladeshi-American Salman Khan. It is growing in popularity among Pakistanis wishing to take advantage of "Free World Class Education" offered online via short 10-15 minute videos. The subjects range from math, physics, chemistry and biology to ast...