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What is the effect of increasing the speed of a magnet moving through a coil?

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Question: What is the effect of increasing the speed of a magnet moving through a coil?

Options:

  1. Induced current decreases
  2. Induced current increases
  3. No change in induced current
  4. Induced current becomes zero

Correct Answer: Induced current increases

Solution: 

Increasing the speed of the magnet increases the rate of change of magnetic flux through the coil, which increases the induced current according to Faraday\'s law.

What is the effect of increasing the speed of a magnet moving through a coil?

Practice Questions

Q1
What is the effect of increasing the speed of a magnet moving through a coil?
  1. Induced current decreases
  2. Induced current increases
  3. No change in induced current
  4. Induced current becomes zero

Questions & Step-by-Step Solutions

What is the effect of increasing the speed of a magnet moving through a coil?
  • Step 1: Understand that a magnet has a magnetic field around it.
  • Step 2: Know that a coil is made of wire and can detect changes in magnetic fields.
  • Step 3: When a magnet moves through the coil, it changes the magnetic field inside the coil.
  • Step 4: The faster the magnet moves, the quicker the magnetic field changes.
  • Step 5: This change in the magnetic field is called 'magnetic flux.'
  • Step 6: According to Faraday's law, a change in magnetic flux induces an electric current in the coil.
  • Step 7: Therefore, increasing the speed of the magnet increases the rate of change of magnetic flux.
  • Step 8: As a result, a faster magnet creates a stronger induced current in the coil.
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