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10 cards from this deck
Moving magnet near wire generates voltage
Voltage appearing during electromagnetic induction
ϕ=BAcosθ\phi = BA \cos \thetaϕ=BAcosθ
Weber (Wb)
ε=−NΔϕΔt\varepsilon = -N\frac{\Delta\phi}{\Delta t}ε=−NΔtΔϕ
Number of circuit loops
Induced emf opposes change in magnetic flux
Opposes whatever change is taking place
Determines direction of current/field in induction
Induced current opposes change in magnetic flux
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