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JEE Main Magnetic Effects of Current and Magnetism Revision Notes

## JEE Main Magnetic Effects of Current and Magnetism Revision Notes - PDF Download

Magnetics is an important topic of IIT JEE Physics. The magnetic effects of current and magnetism are also the high weightage chapters of up to 11 to 12 per cent weightage. From this topic, at least eight marks questions are asked. Students are advised not to leave this chapter. While preparing for JEE Main, students must have a habit of making revision notes, where they can refer before going to the examination.

Here we are providing the important do's that students need to follow to prepare magnetism notes for IIT JEE pdf, and it will help the students who were not able to make their revision notes. It is better to prepare all the topics such as Torque on Current loop, Motion in a magnetic field, magnetic dipole, magnetic field due to the current element, Solenid & Toroid, Biot Savart Law, and moving Coil Galvanometer.

### Explain Magnetic Effects of Current and Magnetism?

Magnetism is known since from the time of ancient Greeks, but it has always been a bit mysterious. You can see the electricity in the flash of a lightning bolt, but when a compass needle points to the magnetic north, you cannot see any force causing it to rotate. You must have studied about the electrostatic fields and forces, which are caused by the electric charges at rest and these electric fields can move other free charges, like by producing a current in a circuit. It is known that, when an electric charge moves, it generates other fields and forces. The additional fields and forces are known to as magnetism.

### Essential Topics on the Effects of Current and Magnetism

Biot - Savart law and the application to current carrying circular loop

Ampere's law and the applications to infinitely long current carrying straight wire and solenoid

Force on the moving charge in a uniform electric and magnetic fields

Cyclotron

Force on current-carrying conductor in uniform magnetic field. The force between the two parallel current-carrying conductors, and definition of the ampere

Torque experienced by the current loop in a uniform magnetic field

Moving coil galvanometer, its current sensitivity, conversion to voltmeter and ammeter

Current loop as magnetic dipole, magnetic dipole moment

Magnetic field lines, Bar magnet as the equivalent solenoid

The magnetic field of Earth and magnetic elements, dia-, Para-, and ferromagnetic substances

Magnetic susceptibility and permeability, Electromagnets, Hysteresis, and permanent magnets.

### Useful Tips to Prepare for Magnetism

Candidates should have a good command on the concepts of Magnetic Effects of Current and Magnetism, and it is suggested to know how to apply them well at the time of solving questions in their exam

Try to solve all the questions with proper concentration and try to perform all calculations on your own

Understand the derivation of each and every formula clearly as if you don't remember the formulas, easily you can derive them, but try to remember all the formulas because, in some of the questions, you will be required to apply these formulas directly

Make a proper plan to prepare for the chapter and follow the regular time table that is prepared

Understand all the laws available on this chapter along with their applications as well. All the aspirants can solve the questions quickly from this chapter if they have studied well and properly

Try to solve previous year's question papers and attempt for the mock tests

### How to Prepare for JEE Main Magnetic Effects of Current and Magnetism

First, you should have a good command over all the concepts of Magnetic Effects of Current and Magnetism and also you should know how to apply them well at the time of solving the questions and at the entrance exam.

Try to understand each and every concept from the chapter, using the theory, video lectures, questions with solutions on each important concept. For every concept practice enough problems to have a thorough understanding of the concept.

Solve all the questions concentration and to do all calculations by yourself without seeing the solution before solving.

Understand the derivation of every formula very clearly because if you don't remember the formulas, you can derive them easily but try to remember all the formulas from the complete chapter because, in specific questions, you will get the answer by applying the formulas directly

Understand all the laws available from this chapter, along with their applications. With an in-depth study, you can solve all the questions from this chapter with ease.

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1. Explain Some important topics of Magnetic Effects of Current and Magnetism?

Torque experienced by the current-carrying loop in a uniform magnetic field

The force between the two parallel current-carrying conductors

A moving coil galvanometer

Para-, dia- and the ferromagnetic substances

2. List out Some Books for Magnetic Effects of Current and Magnetism?

For the concept named, Magnetic Effects of Current and Magnetism, you should practice many questions including the previous year questions, and you can follow other standard books available for the competitive exam preparation such as Understanding Physics by D. C. Pandey (Arihant Publications) and Concepts of Physics (H. C. Verma).

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4. Give Some Tips to Solve the Magnetic Effects of Current and Magnetism?

Study the concept completely first and then start solving the question. Without knowing the concept, do not go through the question directly

Stick to a Timetable by making a plan to prepare for this chapter

Solve many previous year questions from the same chapter

Practice too many questions if possible