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CSCA PhysicsChapter 2: ElectromagnetismIntermediate

Magnetic Fields, Ampere Force & Lorentz Force

磁场、安培力与洛伦兹力 · Node 2.2

Magnetic flux density B, Ampere force on current-carrying wires, and Lorentz force on charged particles.

Chapter Weight: 30% of official examination
Practice This Node

Core Mathematical Axiom

Formula Proof & Traps
FA​=BILsinθ,FL​=q(v×B),r=qBmv​,T=qB2πm​
CSCA Exam Trap Alert

Assuming a static magnetic field can increase or decrease the speed of a free charged particle.

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