Moving Charges And Magnetism

This section discusses the relationship between electricity and magnetism discovered by Hans Christian Oersted and outlines key concepts related to moving charges, magnetic fields, and their applications.

Introduction

This section introduces the relationship between electricity and magnetism, highlighting Oersted's discovery and its implications.

Magnetic Force

This section explores the relationship between moving charges and magnetic fields, detailing how magnetic forces affect charged particles and current-carrying conductors.

Sources And Fields

This section explores the concepts of electric and magnetic fields, focusing on how moving currents produce magnetic fields and how these fields are described mathematically.

Magnetic Field, Lorentz Force

The section delves into the concept of magnetic fields produced by moving charges and the forces they exert, encapsulated in the Lorentz force equation.

Magnetic Force On A Current-Carrying Conductor

This section discusses how a current-carrying conductor experiences a magnetic force when placed in an external magnetic field.

Motion In A Magnetic Field

This section discusses the dynamics of charged particles moving in magnetic fields, focusing on the principles of motion and the effects of magnetic forces.

Magnetic Field Due To A Current Element, Biot-Savart Law

This section discusses the relationship between electrical currents and the magnetic fields they generate, particularly through the Biot-Savart law.

Magnetic Field On The Axis Of A Circular Current Loop

This section discusses the evaluation of the magnetic field generated by a circular coil carrying a steady current along its axis using Biot-Savart law.

Ampere's Circuital Law

Ampere's Circuital Law relates the magnetic field around a closed loop to the current passing through that loop.

The Solenoid

A solenoid is a coil of wire designed to create a magnetic field when an electric current passes through it.

Force Between Two Parallel Current, The Ampere

This section discusses the magnetic forces exerted between parallel current-carrying conductors and the laws governing their interactions.

Torque On Current Loop, Magnetic Dipole

The section discusses how a rectangular current loop in a uniform magnetic field experiences a torque and how this phenomenon is analogous to the behavior of electric dipoles in electric fields.

Torque On A Rectangular Current Loop In A Uniform Magnetic Field

This section discusses the torque experienced by a rectangular current loop when placed in a uniform magnetic field, emphasizing the absence of net force and the analogy to electric dipoles.

Circular Current Loop As A Magnetic Dipole

The circular current loop behaves like a magnetic dipole, with a magnetic field that resembles that of an electric dipole at large distances.

The Moving Coil Galvanometer

The moving coil galvanometer is a sensitive instrument used to measure electric current or voltage in circuits.

Summary

This section outlines the key concepts of moving charges and magnetism, including the Lorentz force, magnetic fields due to currents, and Ampere's Circuital Law.

Exercises

This section provides a series of exercises to consolidate knowledge on electromagnetism principles, specifically related to magnetic fields, currents, and forces.