Web Results

Magnetic field - Wikipedia


A magnetic field is the magnetic effect of electric currents and magnetic materials. The magnetic ... In everyday life, magnetic fields are most often encountered as a force ...... The negative sign...

Electric fields and magnetic fields often occur together. - Answers.com


Field Lines Show Magnitude and Direction When the lines of the magnetic field are close together the magnetic field is strong. In a region where the line density  ...

Q: What is a magnetic field? | Ask a Mathematician / Ask a Physicist


Nov 3, 2010 ... Physicists, being clever, generally label the magnetic field as "B" and ... them together is strong enough to balance the electric force pushing them apart? ..... same thing is easily demonstrated to occur when measuring waves.

Electric and Magnetic Fields - Pepco

www.pepco.com/uploadedFiles/wwwpepcocom/Content/Page_Content/education-and-safety/EMF Brochure_Pepco(1).pdf

produce electric and magnetic fields as a result of the normal electrical ... Therefore, distribution or transmission lines usually have .... exposure occur together.

Questions and Answers about Electric and Magnetic Fields

lan.pplreliablepower.com/Documents/EMF brochure 2012 02 20_press quality.pdf

and currents flowing on water pipes. Though they can often occur together, EMF are made up of two separate components: • Electric Fields are produced by the ...

About Electromagnetism - AlphaLab Gauss Meter and EMF Detectors


Magnetic and electric fields exist nearly everywhere, and the following is a brief ... If two protons "tied" together were substituted for the single proton, they would ... that no direct electric repulsion (or attraction) usually occurs between the wires.

Electric and Magnetic Fields - Waterloo North Hydro


To help you understand electric and magnetic fields, we have put together answers to some frequently asked questions: What are electric and magnetic ... electric and magnetic fields? Electric fields occur when there is a difference in voltage.

Magnetic field - New World Encyclopedia


Sep 4, 2014 ... Ampère's law · Electric current · Magnetic field · Magnetic flux · Biot–Savart ... co- acting vertical waves oscillating and propagating together, they carry .... Rather, the field is typically smooth and continuous everywhere, and can be .... The magnetic force on a charge only occurs when the charge is moving ....

The Motion of Charges in Electric and Magnetic Fields


... charges are moving in fields occur in very complicated situations, with many, ... Next, we consider the motion in a uniform magnetic field with zero electric field. ... A uniform magnetic field is often used in making a “momentum analyzer,” or .... energy but with different initial angles and bring them together in a small spot.

electromagnetism | physics | Britannica.com


Dec 3, 2015 ... Electric phenomena occur even in neutral matter because the forces act on ... He showed that electric and magnetic fields travel together through space .... to deal directly with the electric field than with the charges; frequently, ...

More Info

Can someone please explain magnetic vs electric fields?


Feb 14, 2013 ... I just generally dont understand why moving electrons create ... Changing electric fields generate magnetic fields and changing magnetic fields ... and magnetism is the relativistic squashing together of charge, but I've also ...

Understanding Electric and Magnetic Fields - BC Hydro


Electric and magnetic fields (EMF) are present everywhere that ... Although they are often referred to together as EMF, electric .... It may occur when conductive.

Magnetic fields and how to make them


Jul 14, 1999 ... While electric field lines begin on positive charges and end on ... The magnetic field at a point is in the direction of the force a north pole of a ... For N loops put together to form a flat coil, the field is just multiplied by N: ... The maximum force, F = qvB, occurs when v and B are perpendicular to each other.