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We learned that an electric current produces the magnetic field and that two current-carrying wires exert a magnetic force on each other. Also, we have seen that a magnetic field changing with time gives rise to an electric field. James Clerk Maxwell (1831-1879), argued that this was indeed the case – not only electric current but also a time-varying electric field generates a magnetic field. While applying the Ampere’s circuital law to find a magnetic field at a point outside a capacitor connected to a time-varying current, Maxwell noticed an inconsistency in the Ampere’s circuital law. He suggested the existence of an additional current, called by him, the displacement current to remove this inconsistency.
Topics and Subtopics in NCERT Solutions for Class 12 Physics Chapter 8 Electromagnetic Waves:
| Section Name | Topic Name |
| 8 | Electromagnetic Waves |
| 8.1 | Introduction |
| 8.2 | Displacement Current |
| 8.3 | Electromagnetic Waves |
| 8.4 | Electromagnetic Spectrum |
NCERT Solutions for Class 12 Physics Chapter 8 Electromagnetic Waves
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( Electromagnetic Waves ncert solution )
Having these notes and ncert solution can help the students to prepare and learn various class 12 physics concepts in an effective and easy way. All the diagrams, formulas and derivations are given in these notes to help the students acquaint with all the important chapters and concepts. Plus two physics notes includes a quick summary of the chapter, it saves a lot of time for the students.
Apart from the notes, students are also suggested to solve previous year questions papers and sample papers of physics to know the exam pattern and type of questions properly. Visit the links given below to get the question papers and sample papers.
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