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Choose the best description of a magnetic field line - Answers.com


A magnetic field line shows the direction a compass needle would point.

Magnetic Field Lines - Boundless


Learn more about magnetic field lines in the Boundless open textbook. ... Magnetic field lines are defined to have the direction that a small compass points when .... http://www.boundless.com//physics/definition/magnetic-field-lines Boundless ...

What is magnetic field? - Definition from WhatIs.com


A magnetic field is generated when electric charge carriers such as electrons move ... The geometric shapes of the magnetic flux lines produced by moving charge carriers ... An electromagnet provides a good example. ... (the poles of the magnet) can be such that the electromagnet can be used to pick up and move cars.

electromagnetism - Can magnetic fields be redirected and focused ...


Nov 18, 2011 ... Yes, it is possible to guide magnetic field lines using a shaped magnetic material. ... Or would things like mumetal work best? ... that will interact with the magnetic field, which is, by definition, a magnetic material). ... magnetic fields to make neurons fire (which there is) would it be possible to pick and choose ...

Magnetic Math - NASA


Cover: Diagram of magnetic field lines of Earth modeled by Dr. Gary .... problems can be used to enhance understanding of the mathematical concept, or as a good ... strength of a magnetic field in terms of its mathematical description from a ...... Students should pick one field line from a magnetic pole, and follow it to its ...

Introduction to Magnetic Fields - MIT


Figure 8.1.4 Magnetic field lines due to an infinite wire carrying current I . ... Figure 8.2.1 The definition of the magnetic force by the vector cross product ..... We shall choose our zero point for the potential energy when the angle between the.

Experiment 5: Magnetic Fields of a Bar Magnet and of the Earth


Part 1: Constructing Magnetic Field Lines of a Bar Magnet. Tape a piece of .... component of the magnetic field at the sensor (see description below). When the plot ... If you choose axial, the sensor will measure the component of the magnetic field along the axis of ... best you can, with a ruler or pencil on the tabletop or floor.

Q & A: How do magnets work? | Department of Physics | University ...


It will help you understand the explanation. ... However, stainless steel is not a very good magnetic material, so if you touch .... If you put them in a magnetic field, the domains tend to line up with the field, so ..... The nails were not magnetic, but after we disconnected the batteries from the nails, the nails would pick up staple...

Electric Fields: Definition & Examples - Video & Lesson Transcript ...


You can also see, just like with magnetic fields, unlike electric charges attract, and like charges repel each other. Electric field lines around a positively-charged  ...

How to use magnetic field information for coronal loop identification?


Jan 30, 2008 ... are identified as closed magnetic field lines with a high emissivity in EIT and a .... Sort loops and choose the best ones in the sense of agreement with .... Unfortunately current-free models are usually not a good description.

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What is the best description of a magnet - Answers


Something that attracts iron ... What is a good description of magnets would be? things that can attract ... A magnetic field line shows the direction a compass needle would point. Laney Lynch.

Magnetic Field Characteristics - NDE/NDT Resource Center


The particles align themselves with the lines of magnetic force produced by the magnet. The magnetic lines of force show where the magnetic field exits the ...

Q: How can I determine the positive and negative sides of a magnet?


Magnetic fields have field lines, which begin at the north pole of . ... to a Magnet · Choose the Best Description of a Magnetic Field Line · Rejuvenate a Magnet ...