Understanding Magnetic Field

A magnetic field is a field of force produced by electrical currents or a magnetic object or particle, and detected by the force it exerts on other magnetic materials and moving electric charges. Its importance cannot be underestimated, with the concept having many practical applications and explaining many universal phenomena, including the earth’s rotation.

The Bright Hub guide to magnetic filed contains a library collection of well-written and edited articles that provide comprehensive information on all that you want to know about magnetic field and related topics. The basic user can read an article on how a simple electromagnet works, a more advanced user can read through the magnetic effects of electricity, researchers can understand the nature of magnetospheres in planets, and much more.

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Relationship Between Ionized Air and Ozone The ozone layer located high in the stratosphere protects us from the sun’s harmful high frequency UV rays. This layer is getting thinner due mostly to anthropogenic activities...	Physics of a MRI The magnetic properties of the nuclei of atoms can be used to yield chemical information. The nuclear magnetic resonance phenomenon is the basis of Magnetic Resonance Imaging, a technique...
Understanding the DC Series Motor A DC series motor converts electrical energy to mechanical energy. Its principle of operation is based on a simple electromagnetic law that states that when a magnetic field is created...	Magnetic Anomaly in the Gulf of Aden - Real or Not? Reports on the presence of magnetic anomalies as well as an inter-dimensional portal in the Gulf of Aden are widely available on the Internet. This article explains the origin of those...

Power Plant Generators - What is Excitation ?

Electric generators work on the principle of Faraday’s electromagnetic induction. The essential part of this principle is the magnetic field. The magnetic filed is produced from a DC power source...

How Does a Door Bell Work?

An electrical door bell is a very simple machine that is used every day in our life. Learn more about how this device works in your home....

How To Make A Basic Generator That Can Light Up A Torch Bulb?

Want to each kids about the working of a generator? If yes, then there is no better way other than practically making a basic generator that can light up a torch bulb in front of them.This article...

The Physics Behind the Electric Guitar

No matter the genre, the electric guitar has become an integral part of every type and kind of music produced today. The article describes the physics behind this amazing music instrument and covers the...

How Does An A.C. Motor Rotate?

An electric motor is used for the conversion of electrical energy into mechanical energy. This conversion of electrical power to mechanical energy takes place in the rotating part of the motor. A D.C....

What Is Degaussing Of Ships ?

Even merchant ships are prone to attack from magnetic mines and torpedoes since a weapon hardly knows the difference between naval ship and commercial vessel. A method initiated during...

How the Earth's Core Influences the Magnetic Field

The Earth's core is a complex structure that is composed of two parts that are both liquid and solid. The reason for this structure is to provide a magnetic field for the Earth;...