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Practice Mag

QuestionAnswer
Magnetic Field from a current in a wire or Ampere's Law B = μo I / 2πr
Magnetic Flux φ = BA cos θ
Average Induced EMF € = - N Δφ / Δt N = Number of Loops
Induced EMF in a moving conductor € = B l v
Magnetic Field inside a Solenoid B = μo n I μo = Vacuum Permeability Only if air is in the solenoid, if there is something else use μ which is magnetic permeability n= number of loops per unit length I = Current
Created by: cstephens125
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