Question

What produces a magnetic field?

   What produces a magnetic field?

Conceptual Physics

Conceptual Physics

Paul G. Hewitt 12th Edition

Chapter 24, Problem 7

Instant Answer

Solved by Expert Salamat Ali

09/25/2019

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In LaTeX format, this can be written as: \textit{Both electric and magnetic fields are associated with charged particles.} Show more…

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What produces a magnetic field?

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Key Concepts

Moving Charges

Moving charges are the fundamental source of magnetic fields. Anytime electric charges, such as electrons, are in motion—whether in a current-carrying wire or orbiting within atoms—they create a magnetic field. This principle is central to understanding phenomena in electromagnetism.

Electric Current

An electric current, which is the flow of electric charges in a conductor, inherently generates a magnetic field around it. The relationship between a current and the resulting magnetic field is described by laws such as Ampere’s law, underscoring how everyday electrical devices and magnetic field-producing equipment operate.

Electromagnetism

Electromagnetism is the field of physics that studies the interactions between electric charges and magnetic fields. Fundamental to this subject is the concept that moving charges produce magnetic fields, linking electric phenomena with magnetic effects in various applications and natural phenomena.

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