Question

What change did you notice on the galvanometer deflection when the poles of magnet were reversed?...

  1. What change did you notice on the galvanometer deflection when the poles of magnet were reversed? What does it signify?
  2. Does the galvanometer connected to the solenoid on top deflect to the left or right as the power supply was turned ON?
  3. What change did you notice on the direction of the deflection on the galvanometers connected to the bottom solenoid versus top solenoid. Explain the reason behind it.
  4. What is the effect of the presence of the metal rod on the deflection in galvanometer connected to the top solenoid? Why?
  5. Are the results of the demonstrator in agreement with Lenz’s law? If yes, explain your observation in the video that follows Lenz’s law.

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