JEE Mains Physics Syllabus: Understanding Electricity and Magnetism

JEE Mains Physics Syllabus: Understanding Electricity and Magnetism

JEE Mains Physics syllabus contains some chapters that are difficult, and some that are easy. Among these chapters, Electricity and Magnetism is one of the toughest in terms of understanding the concepts behind each topic, and the difficulty level in numerical problems. But if you have a strong hold over these chapters, you can easily be assured of 25% of JEE Mains Physics. But remember things may get a bit tricky if ‘taken for granted’.

The kind of questions that are asked in the JEE Mains from Electricity and Magnetism are very much practical and application-based. Hence, they are easily understandable as the learners can relate it to their daily life experiences. It is very important to visualize the given question while trying to figure out the solution. ‘Electricity and Magnetism’ contributes about 5 – 6 questions in JEE Mains. If you skip these chapters, you are going to be at a great loss.

Important Books

Important Topics

  • Electricity: Coulomb’s law, Gauss’s law and its application in simple cases (to find electric field due to a uniformly charged infinite plane sheet, uniformly charged thin spherical shell and sphere). Capacitance-Parallel plate capacitors with and without dielectrics. Ohm’s law, Series and parallel arrangements of resistances and cells, Kirchhoff’s law and simple applications, Heating effect of current.
  • Magnetism: Biot–Savart’s law and Ampere’s law, Force on a moving charge and on a current-carrying wire in a uniform magnetic field, Magnetic moment of a current loop, Working and Principle of Cyclotron.

Some Basic Tips

  • Read all topics of these chapters from NCERT Physics. Do not leave any topic unread because there will be some topics which will be exclusively for JEE Mains such as Earth’s Magnetic Field, Magnetic Properties of Matter etc. As there are many conceptual questions from Electricity & Magnetism which many students fail to attempt in JEE Main due to lack of proper understanding of concepts so, read these carefully.
  • Before you approach numerical section of any topic, make sure that you are aware of the concepts, its applications and proper usage of the formulae. Before attempting any problem, you should first have a clear picture of that question in your mind and then apply the formula. This will not only prevent you from committing an error but also saves time.
  • In JEE Main you will meet questions which appear to be a lot straight and formula based but have a ‘much deeper concept’. Questions are usually asked on topics as insignificant as Earth’s Magnetic field and as complex as Meter and Wheatstone bridge. But if you have clear concepts, any question can be easily solved. Sometimes theory based questions (from Magnetic Properties of Matter) may be asked which are somewhat tricky.
  • Problems of electrostatics at first seem to be scary, but do not worry, all you need is your willingness to solve the problem. Only law which monitors entire electrostatics is ‘The Coulomb’s law’.
  • An important section of electrostatics is ‘conductors in electrostatics’. Most of the questions asked in JEE Main from electrostatics are based on conductors and their properties. So, you are advised to practice lots of questions from this section.
  • Problems on RC circuit are frequently asked in JEE Main. Most of the time, a tough & tricky RC circuit problem can be solved very easily if you figure out its gist. Another important topic is ‘heating effect of current’.
  • Current electricity is one of the easiest chapters in JEE Main Physics. All you need is good numerical solving ability. Circuit problems can be easily solved by applying Kirchhoff’s Law (both Junction and loop rule). You must be comfortable in applying them, as for each law, direction of current and potential drop. Problems on Wheatstone Bridge, Meter Bridge and potentiometer are very common in JEE Main.
  • Magnetism mainly focuses on conceptual understanding hence, there isn’t much chance for tricky questions. However, the problems being put forward even in JEE-Main cannot be solved until and unless you have a deep knowledge and a ‘rigorous practice’.
  • In JEE Mains, questions are mostly asked from the calculation of magnetic field in several different cases. Another set of problems may appear from Magnetic moment. So, you are advised to practice plenty of questions involving calculation of magnetic moment. Principle and working of Galvanometer especially, Moving coil and Tangent must be mastered from NCERT.
  • Numerical problems that are asked in JEE Main will definitely involve some lengthy calculations, so be prepared. Numerical type questions may involve many steps & inter-related concepts, so develop proper thinking ability and skill to approach towards such problems.

Crack the JEE! Start here..

2 Responses to JEE Mains Physics Syllabus: Understanding Electricity and Magnetism

  1. Nishant kumar December 10, 2017 at 5:47 am #

    Hi Harshita Shrivasta,
    Thank you for sharing this tips. I sure this will help me in qualifying jee mains 2018.
    This article was pretty nice.

    • Harshita Srivastava
      Harshita Srivastava March 14, 2018 at 8:37 pm #

      Thanks Nishant. All the best for the exam!

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