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Predict the direction of induced current in metal rings 1 and 2 when current I in the wire is steadily decreasing?

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When the current II in the wire is steadily decreasing, the magnetic field around the wire decreases accordingly. According to Faraday's law of electromagnetic induction, this change in magnetic flux induces an electromotive force (emf) and consequently an induced current in nearby conductors. Let's...
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When the current II in the wire is steadily decreasing, the magnetic field around the wire decreases accordingly. According to Faraday's law of electromagnetic induction, this change in magnetic flux induces an electromotive force (emf) and consequently an induced current in nearby conductors.

Let's consider metal rings 1 and 2:

  1. Metal Ring 1:

    • As the current in the wire decreases, the magnetic field around the wire also decreases.
    • Using Lenz's law, the induced current in metal ring 1 will flow in such a direction as to oppose the decrease in magnetic flux.
    • Therefore, the induced current in metal ring 1 will flow in a direction such that it creates a magnetic field in the same direction as the original magnetic field around the wire.
    • This means the induced current in metal ring 1 will flow clockwise when viewed from the top.
  2. Metal Ring 2:

    • Similar to metal ring 1, the induced current in metal ring 2 will flow in such a direction as to oppose the decrease in magnetic flux.
    • Therefore, the induced current in metal ring 2 will flow in a direction such that it creates a magnetic field opposite to the original magnetic field around the wire.
    • This means the induced current in metal ring 2 will flow counterclockwise when viewed from the top.

In summary:

  • The induced current in metal ring 1 will flow clockwise.
  • The induced current in metal ring 2 will flow counterclockwise.
 
 
 
 
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