Force on a Current Element in a Magnetic Field
Formula: dF = I dl × B Conditions: Wire of arbitrary shape, arbitrary magnetic field. Explanation: This is the differential form of the Ampere force. The total…
Syllabus path: Electromagnetism › Magnetic Field › Ampere's Force
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CSCA Physics Formula Reference
Formula and explanation
Formula: dF = I dl × B Conditions: Wire of arbitrary shape, arbitrary magnetic field. Explanation: This is the differential form of the Ampere force. The total force is obtained by integrating over the current path: F = ∫ I dl × B.
Related tutorial and examples
Ampere's Force
Topic: Electromagnetism > Magnetic Field > Ampere's Force 1. Core Concept: Ampere's Force Ampere's Force is the force exerted by a magnetic field on a current - carrying wire. It is the macroscopic manifestation of the Lorentz force and the driving principle behind electric motor…
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