NCERT Exemplar Solutions for Class 12 Physics Chapter 6

About NCERT Exemplar Solutions for Class 12 Physics Chapter 6 – Electromagnetic Induction

The sixth chapter of Class 12 Physics, Electromagnetic Induction, deals with one of the most revolutionary discoveries in physics: the phenomenon of inducing current by changing magnetic fields. This chapter not only explains the fundamental principles discovered by Michael Faraday but also demonstrates their widespread applications in technology and power generation. The NCERT Exemplar Solutions for this chapter provide detailed guidance to students in solving both conceptual and numerical problems, helping them master this vital area of physics. The chapter begins with Faraday’s experiments, which showed that a changing magnetic flux through a circuit induces an electromotive force. The Exemplar Solutions explain this law with clear examples and problems, ensuring students understand the direct relationship between magnetic flux and induced emf. Learners are also introduced to Lenz’s law, which provides the direction of induced current and is consistent with the principle of conservation of energy. Problems in the Exemplar encourage students to apply both Faraday’s and Lenz’s laws in practical scenarios. The concept of eddy currents and their applications is another important part of this chapter. The NCERT Exemplar Solutions present problems that highlight how eddy currents are produced and how they can be both beneficial and undesirable. Students gain knowledge about applications such as electromagnetic braking, induction heating, and damping devices, making the topic more relevant and engaging.

The chapter also introduces the concept of self-induction and mutual induction. The Exemplar Solutions help students calculate coefficients of self and mutual inductance, as well as solve problems on energy stored in an inductor. Such practice strengthens mathematical skills and provides clarity on the role of inductors in electrical circuits. Another significant focus is on alternating magnetic flux and induced emf in rotating coils, which directly leads to the principle of the alternating current generator. The Exemplar problems ensure that learners understand the working principle of generators and how electromagnetic induction plays a key role in electricity production. Towards the end, the chapter discusses energy considerations in electromagnetic induction. Students learn how mechanical energy is converted into electrical energy, reinforcing the importance of this phenomenon in daily life. The NCERT Exemplar Solutions guide learners through carefully framed questions that link theoretical understanding with practical applications. In conclusion, the NCERT Exemplar Solutions for Electromagnetic Induction provide students with comprehensive support for one of the most application-oriented chapters in physics. By consistently practicing these problems, learners improve their problem-solving ability, enhance conceptual clarity, and develop confidence for board as well as competitive exams. This chapter not only strengthens academic preparation but also deepens appreciation of the principles behind modern electrical technologies.