Ampere Force Formula (Force on a Current Element in a Magnetic Field)

Formula: dF = I dl × B Applicable Conditions: An infinitesimal current element in a constant magnetic field. Explanation: The force on a current element I dl i…

Syllabus path: Electromagnetism › Magnetic Field › Ampere's Force

CSCA Exam Prep

This formula is aligned to the CSCA undergraduate admissions exam syllabus. Continue with the linked tutorial and topic practice.

Practice related questions (14) · Start mock exam · Sign up — AI explanations · Membership plans

CSCA Physics Formula Reference

Formula and explanation

Formula: dF = I dl × B Applicable Conditions: An infinitesimal current element in a constant magnetic field. Explanation: The force on a current element I dl in a magnetic field with magnetic induction B. The direction is determined by the right - hand rule (cross product).

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…

Read the full tutorial and worked examples

Plan your next CSCA study step

Use this topic in a focused practice set, then connect it to the exam requirements and timed papers.