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You searched for "magnetic fields"

We found 16 results on physics.org and 252 results in our database of sites
(of which 251 are Websites, 1 is a Videos, and 0 are Experiments)

Search results from our links database Showing 21 - 30 of 252

Lorentz Force Law

Both the electric field and magnetic field can be defined from the Lorentz force law. The electric force is straightforward, being in the direction of the electric field if the charge q is positive, ...

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Hits: 8132

Magnetic field Demonstration in a current loop

The site demonstrates the effect of a magnet field when introduced on a conducting wire.

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Hits: 6087

Biot-Savart Law

The Biot-Savart Law relates magnetic fields to the currents which are their sources. In a similar manner, Coulomb's law relates electric fields to the point charges which are their sources.

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Hits: 2314

Basics of magnetism

Introduction to magnetic fields and forces.

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Hits: 4908

Electromagnetism

This is a site from the Thinkquest competition with good explanations on the magnetic effect of a current, the motor effect and magnetic field strength.

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Hits: 5065

Wireless electricity? It's here

A look at the technology behind transmitting power without wires using magnetic fields.

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Hits: 654

Magnetism Demo

Instructions on how to make high magnetic fields without the need for large currents

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Hits: 2641

Remote Glow Discharge Experiment

Take control of a plasma experiment over the internet and see how pressure, electric field strength and magnetic field all affect it.

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Hits: 27092

Lenz's Law

When an emf is generated by a change in magnetic flux according to Faraday's Law, the polarity of the induced emf is such that it produces a current whose magnetic field opposes the change which ...

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Hits: 2635

Motor

Electric motors involve rotating coils of wire which are driven by the magnetic force exerted by a magnetic field on an electric current. They transform electrical energy into mechanical energy.

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Hits: 5226

Showing 21 - 30 of 252