What happens to the induced current when the magnetic field is removed from a cl

Practice Questions

Q1
What happens to the induced current when the magnetic field is removed from a closed loop?
  1. It continues to flow indefinitely
  2. It stops immediately
  3. It flows in the opposite direction
  4. It decreases gradually

Questions & Step-by-Step Solutions

What happens to the induced current when the magnetic field is removed from a closed loop?
  • Step 1: Understand that a closed loop can have a magnetic field passing through it.
  • Step 2: Know that when the magnetic field changes (like when it is removed), it creates a change in magnetic flux.
  • Step 3: This change in magnetic flux induces a current in the loop according to Faraday's law of electromagnetic induction.
  • Step 4: When the magnetic field is completely removed, there is no longer any change in magnetic flux.
  • Step 5: Since there is no change in magnetic flux, the induced current stops immediately.
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