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Electromagnetic Induction

ε=N×B×v=50×2×2=2 V\varepsilon = N \times B \times v = 50 \times 2 \times 2 = 2\,\text{V}
Induced EMF2.00 V
Current directionclockwise
  • Set the speed to zero and confirm the induced EMF reads exactly 0 V
  • Move the magnet toward the coil (positive speed) and produce at least 2 V
  • Now move the magnet away from the coil and produce an EMF of −2 V or more negative
  • Reach an EMF of at least 8 V while keeping the speed at 3 or below
  • Flip the magnet so the south pole leads, keep it approaching the coil, and show the EMF is now negative