Capacitor | Lecture 1 | Class 12 Physics | IIT JEE Preparation | Free Education

Capacitor | Lecture 1 | Class 12 Physics | IIT JEE Preparation | Free Education This Video is applicable for all students who are study in CBSE, ICSE and doing preparation for IIT. #freeeducation #study #free #capacitor #inductor #physics #class12 #currentelectricityclass12 #current #electricity #class12preparation #cbsencert #cbse #iit #iitpreparation #iitmotivation 👉 Do watch the complete session to know about the Unit and Measurement, Don't forget to share this video with your friends and classmates. ✴️✔️ Do 𝐒𝐔𝐁𝐒𝐂𝐑𝐈𝐁𝐄 to the channel for more updates and hit that like button! ❤️ for daily updates (Turn on your notification 🔔 to get all updates before anyone!!) Introduction to Capacitors In this chapter, we will explore capacitors, which are essential components in electrical circuits. A basic understanding of electrostatics is recommended for better comprehension of this topic. Importance of Energy Storage Energy can exist in various forms, such as chemical, kinetic, and potential energy. Capacitors are devices used to store electrostatic potential energy. For example, batteries store chemical energy, while hydro power plants utilize gravitational potential energy by elevating water to generate electricity. Types of Potential Energy 1. *Gravitational Potential Energy*: Stored when water is elevated in hydro power plants. 2. *Elastic Potential Energy*: Stored in compressed springs, represented by the formula \( \frac{1}{2} kx^2 \). 3. *Electrostatic Potential Energy*: Stored in capacitors, which we will focus on in this chapter. What is a Capacitor? A capacitor consists of two conductors that can take any shape, with one conductor carrying a positive charge (+q) and the other a negative charge (-q). The electric field lines between these conductors indicate the presence of an electric field. Capacitance Capacitance (C) is defined as the ratio of charge (Q) stored on one conductor to the potential difference (ΔV) between the conductors: \[ C = \frac{Q}{\Delta V} \] Capacitance is always a positive value, and its unit is the farad (F), named after the scientist Michael Faraday. Heat Production in Capacitors When a switch in a circuit is closed, the energy stored in the capacitor can change, leading to heat production. The heat produced can be calculated as the difference between the work done by the battery and the energy stored in the capacitor. Conclusion Understanding capacitors, their capacitance, and the energy they store is crucial in electrical engineering. Capacitors play a significant role in various applications, and their behavior can be analyzed through the principles of electrostatics. If you found this video helpful, please like it, subscribe to the channel for daily updates, and share it with friends who might benefit from it! 🔔 SUBSCRIBE and GET it FREE:    / @free-educations