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emf - Coggle Diagram
emf
emf=N∆Φ/∆t
∆Φ
∆Φ=Φfinal-Φinitial
Φinitial
Φfinal
Φ=BA⊥
B
magnet strength
Distance between coil and magnet
A⊥
A⊥=A cosθ
θ
A
∆t
v=s/t
s
v
N
emf=V
V
V=IR
I
R
ρ=RA/l
l
A
ρ