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Ampere Law and Magnetic Fields Class Assignment

Fajar Purnama
13 min readDec 9, 2020

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Note

This is my undergraduate assignment that I translated to English in the Electric Field Theory course where my task is to write an essay on the Amperes Law and Magnetic Fields. Apart from me this group consists of Vencisisca Jeane R, Rr. Sanita Eling Cipta Nesa, Putu Arie Pratama, Fajar Purnama, Muhammad Audy Bazly, Muhammad Nordiansyah. This assignment has never been published anywhere and we as the authors and the copyright holders license this task customized CC-BY-SA where anyone can share, copy, republish and sell on condition to state our name as the author and inform that the original and open version available here.

Chapter 1 Introduction

1.1 Background

In everyday life, many applications of several physical laws occur, one of which is Ampere’s law and magnetic fields. Where in general the relationship between Ampere’s law and magnetic fields, namely the Ampere’s law states that the magnetic field can be generated in two ways, namely through an electric current (the initial formulation of the Ampere law), and by changing the electric field (Maxwell’s addition). Maxwell’s correction of the Ampere law is quite important, thus this law states that changes in the electric field can give rise to a magnetic field, and vice versa.

Three genius scientists from France, Andre Marie Ampere (1775–1863), Jean Baptista Biot (1774–1862) and Victor Savart (1803–1862) stated that the force will be generated by an electric current flowing in a conductor that is between the magnetic fields. This is also the reverse of Faraday’s law, in which Faraday predicts that an induced voltage will arise in a moving conductor and cut across the magnetic field. This law is applied to electric machines, and the image below will explain this phenomenon.

Figure 1.1 Right Hand Rule

1.2 Problem

The problems raised in this assignment are as follows:

  1. What is the meaning of the Ampere’s law and magnetic field?
  2. How is the relationship between current density and magnetic field?
  3. What is magnetic flux density?
  4. What is meant by magnetic vector potential and how is…

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Fajar Purnama
Fajar Purnama

Written by Fajar Purnama

this blog contains all my articles licensed under creative commons attribution customized sharealike (cc-by-sa) where you can sell but mention the open one here

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