How do touchscreens work? | Electrostatic potential and Capacitance | Physics | Khan Academy
Channel: Khan Academy India - English
Date: 2022-09-01

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/in-in-class-12th-physics-india/in-in-electrostatic-potential-and-capacitance/x51bd77206da864f3:combination-of-capacitors/v/capacitors-series

Check out more videos and exercises on “Electrostatic potential and capacitance” - https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-electrostatic-potential-and-capacitance

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/in-in-class-12th-physics-india

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