The Bar Magnet
Chapter Name : Magnetism And Matter |
Sub Topic Code : 101_12_05_02_04 |
Topic Name : The Bar Magnet |
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Sub Topic Name : The Electrostatic Analog |
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Introduction
The magnetic field at large distances due to a bar magnet of magnetic moment m can be obtained from the equation for electric field due to an electric dipole of dipole moment p.
Pre-Requisites:
Magnetic field.
Activity:
Different magnets are used
in our house hold like the magnet in our music system, television.
Real Life Question:
What is a Magnetic field?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Magnetic field. | A magnetic field is a mathematical description of the magnetic influence of electric currents and magnetic materials |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| A magnet, Needle. | It can be used to observe the magnetic property that attracts a needle. |
Real life uses :
To hold notes onto the refrigerator.
Places to visit :
Various electrical
appliances in our house.
Practical examples around us
| Examples | Explainations |
|---|---|
| Music system | Use of magnet. |
What you learn in Theory:
Principle behind the electrostatic analog
What you learn in Practice:
The magnetic field at large distances due to a bar magnet of magnetic moment m can be obtained from the equation for electric field due to an electric dipole of dipole moment p