Electromagnetic Induction Ch. 26

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Author:
Anonymous
ID:
98199
Filename:
Electromagnetic Induction Ch. 26
Updated:
2011-08-24 07:10:34
Tags:
Physics magnets induction
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physics
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  1. EMF = BLv sin θ
    • EMF=volts
    • L = lenght
    • v = velocity
  2. EMF = Δ(BA) / Δt
    • A = area
    • t = time
    • EMF = volts
  3. φ = B A cos θ
    φ = magnetic flux
  4. E = E0 sin ω t
    • E0 = peak output voltage
    • ω = 2*pi*f = angular velocity
  5. E0 = N A B ω
    • E0 = peak output voltage
    • ω = 2*pi*f = angular velocity
  6. VP / VS =NP / NS
    • V = voltage
    • N = no. of turns
  7. If NP > NS,
    then the transformer is a step-down, which reduces AC voltage.
  8. NP < NS,
    then the transformer is a step-up, which increases AC voltage.
  9. VP × IP = VS × IS
    • V = voltage
    • I = current

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