#### Magnetic field - Wikipedia

en.wikipedia.org

A magnetic field is the magnetic effect of electric currents and magnetic materials. The magnetic field at any given point is specified by both a direction and a magnitude (or strength); as such it is a vector field.

#### Magnetic Field Lines

www.boundless.com

Magnetic Field Lines. Einstein is said to have been fascinated by a compass as a child, perhaps musing on how the needle felt a force without direct physical contact.

#### Magnetic field lines | Brilliant Math & Science Wiki

brilliant.org

Nevertheless, they are useful tools for thinking about magnetic field lines and to otherwise conceptualize ideas about magnetism.

#### Magnets and Electromagnets

hyperphysics.phy-astr.gsu.edu

The lines of magnetic field from a bar magnet form closed lines. By convention, the field direction is taken to be outward from the North pole and in to the South pole of the magnet.

#### Magnetic Fields | (i) Field lines

animatedscience.co.uk

Steel is said to be magnetically ‘hard’. Magnetic field lines. We imagine a magnet to be surrounded by an invisible ‘magnetic field’, which we represent by field lines or lines of force.

#### Physics4Kids.com: Electricity & Magnetism: Magnetic Fields

www.physics4kids.com

The idea of magnetic field lines and magnetic fields was first examined by Michael Faraday and later by James Clerk Maxwell.

#### Magnetic field - New World Encyclopedia | Magnetic B field lines

www.newworldencyclopedia.org

An alternative method of visualizing the magnetic field is to use "magnetic field lines."

#### NASA's Cosmicopia -- Basics -- Magnetic Fields

helios.gsfc.nasa.gov

Magnetic field lines describe the structure of magnetic fields in three dimensions. A compass needle will always try to point along a field line.

#### lab1 [Physics Labs] | Figure 4 Magnetic Field Lines

www.andrews.edu

Equipotential Lines, Electric and Magnetic Field Mapping. Objectives: Equipment

#### electromagnetism - Magnetic field lines - Physics Stack Exchange

physics.stackexchange.com

Both electric & magnetic field lines are introduced as an aid for visualizing electric both fields. These lines are imaginary straight or curved paths along which a free (isolated)...

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