Key Equations

Sections
Key Equations

Key Equations

the magnitude of the force on an electric charge F=qvBsinθ F=qvBsinθ
the force on a wire carrying current F=IBsinθ F=IBsinθ
the magnitude of the magnetic field created by a long, straight current-carrying wire B straightwire = μ 0 I 2πr B straightwire = μ 0 I 2πr
the magnitude of the magnetic field inside a solenoid B solenoid = μ 0 NI B solenoid = μ 0 NI
magnetic flux Φ=BAcosθ Φ=BAcosθ
emf E=N ΔΦ Δt E=N ΔΦ Δt