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NCERT Solutions for Class 12 Physics, Chapter 6 - Electromagnetic Induction

In this chapter, you’ll study about Electromagnetic Induction. It is interesting to know that Electricity and Magnetism are related to each other as explained by various scientists such as Ampere and Oersted. It is proved that when electric charges move, they create magnetic fields. However, does the opposite also hold true? Can magnetism generate electricity? Surprisingly, the answer is ‘Yes’! In this chapter, you’ll study about electromagnetic induction as stated by the famous scientist Michael Faraday in England and Joseph Henry in the USA. So, what is electromagnetic induction?

Electromagnetic induction is the phenomenon in which electric current is generated by varying magnetic fields. It is widely used in the field of engineering, medical science, construction, space etc. Electronic devices like microwave ovens, table clocks, other home appliances, production of electricity, dams, nuclear reactors, radio communications, pacemakers used in hearts, all these use electromagnetic induction.

In this chapter, you’ll learn about the experiments made by Faraday and Henry, magnetic flux, Lenz’s Law and conservation of energy, Eddy currents, inductance and AC generator in detail.

Thus, an in-depth study of Class 12 Physics NCERT Solutions Chapter 6 will give you a good understanding of significant aspects of Electromagnetic Induction.

Let’s take a look at topics and sub-topics of Class 12 Physics Chapter 6 – Electromagnetic Induction

6.1 Introduction

6.2 The Experiments of Faraday and Henry

6.3 Magnetic Flux

6.4 Faraday’s Law of Induction

6.5 Lenz’s Law and Conservation of Energy

6.6 Motional Electromotive Force

6.7 Energy Consideration: A Quantitative Study

6.8 Eddy Currents

6.9 Inductance

6.9.1 Mutual inductance

6.9.2 Self-inductance

6.10 AC Generator

In Class 12 Physics Chapter 6, you will learn - 

Section 6.2 - In this section, you will study about the experiments of Faraday and Henry in detail and learn about the discovery and understanding of electromagnetic induction along with the respective diagrammatical representations.

Section 6.3 - In this section, you’ll acquire knowledge about the magnetic flux and important propositions made by Faraday in discovering the concept of electromagnetic induction through a series of experiments.

Section 6.4 – In this section, you’ll learn about Faraday’s Law of electromagnetic Induction. He concluded that an emf is induced in a coil when magnetic flux through the coil changes with time.

Section 6.5 - In this section, you will study about Lenz’s Law and Conservation of Energy as stated by German physicist Heinrich Friedrich Lenz in 1834 along with illustrations.

Section 6.6 - In this section, you will learn about the Motional Electromotive Force, what is motional emf along with some solved examples.

Section 6.7 - In this section, you’ll acquire knowledge about the quantitative study of Energy Consideration. You’ll explore the aspects that state Lenz’s Law is consistent with the law of conservation of energy. You’ll also study an interesting relationship between the charge flow through the circuit and the change in the magnetic flux.

Section 6.8 - In this section, you will study about Eddy currents along with the Illustration showing that the Eddy currents are generated in the copper plate while entering and leaving the region of the magnetic field. You’ll also learn about the applications of Eddy currents in our day to day lives.

Section 6.9 - In this section, you will learn about inductance which is considered to be a scalar quantity as discovered by Joseph Henry in the USA. You’ll also learn what is mutual inductance and self-inductance, self-inductance of the coil and coefficient of self-induction of the coil.

Section 6.10 - In this section, you’ll learn about the AC generator, what are the basic elements of an AC generator and what are hydro-electric generators as well as alternating current (AC).

In this chapter, you are provided with several examples with their solutions for a clear understanding of Electromagnetic Induction. To know more about NCERT Solutions for Class 12 Physics Chapter 6, you should explore the exercises mentioned in this chapter. You can also download the NCERT Solutions for Class 12 Physics Chapter 6 PDF, solved by our science experts.

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