How do Condenser Microphones work? | Electric potential and Capacitance | Physics | Khan Academy
Channel: Khan Academy India - English
Date: 2022-09-07

In this video, we explore one cool application of parallel plate capacitors - Condenser microphones!

00:00 Introduction
00:33 Basic function of a microphone
01:16 What's inside a condenser microphone?
01:58 Sectional view of a condenser microphone
02:43 How do we get electricity out of sound?
04:14 How do we get a changing voltage?
05: 24 How to change capacitance?
07:11 Introducing a resistor in the circuit to keep the charge constant
10:29 Summary

Practice this concept - https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-electrostatic-potential-and-capacitance/x51bd77206da864f3:capacitance-parallel-plate-capacitors/e/parallel-plate-capacitor

Master the concept of Capacitance through practice exercises and videos - https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-electrostatic-potential-and-capacitance/x51bd77206da864f3:capacitance-parallel-plate-capacitors/v/capacitors-and-capacitance

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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