What happens to the induced EMF if the speed of the magnet moving through a coil

Practice Questions

Q1
What happens to the induced EMF if the speed of the magnet moving through a coil is doubled? (2022)
  1. It remains the same
  2. It doubles
  3. It halves
  4. It quadruples

Questions & Step-by-Step Solutions

What happens to the induced EMF if the speed of the magnet moving through a coil is doubled? (2022)
  • Step 1: Understand that EMF stands for Electromotive Force, which is generated when a magnet moves through a coil of wire.
  • Step 2: Know that the amount of EMF induced in the coil depends on how fast the magnet is moving.
  • Step 3: If the speed of the magnet is increased, the induced EMF also increases.
  • Step 4: Specifically, if the speed of the magnet is doubled, the induced EMF will also double.
  • Step 5: This is because a faster-moving magnet creates a stronger change in magnetic field within the coil, leading to more induced EMF.
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