How do touchscreens work? | Electrostatic potential and Capacitance | Physics | Khan Academy

Let's understand the Physics behind the magic of touchscreens! 00:00 Introduction 00:40 Structure of a touchscreen display 01:51 How are the capacitors arranged in a touchscreen display? 02:45 How does the phone recognize a touch? 04:30 Why does the display not work when there are water droplets on the screen or when we are wearing gloves? 05:15 Changes in the design of the grid of capacitors on the touchscreen Master the concept of “Combination of capacitors” through practice exercises and videos - https://www.khanacademy.org/science/i... Check out more videos and exercises on “Electrostatic potential and capacitance” - https://www.khanacademy.org/science/i... To get you fully ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics here - https://www.khanacademy.org/science/i... Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages. Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy. Subscribe to our YouTube channel -    / khanacademy   As a 501(c)(3) nonprofit organization, we would love your help! Donate here: https://www.khanacademy.org/donate?ut... Created by Vibhor Pandey