Question: For your first post, answer the following: State Faraday's law and analyze every variable in the formula. What is magnetic flux and what does it

For your first post, answer the following:

  1. State Faraday's law and analyze every variable in the formula. What is magnetic flux and what does it depend on? Is it possible to induce an emf with a constant magnetic field?
  2. When using a bar magnet moving through a coil, is there a difference if the south or the north pole faces the coil?
  3. What is the meaning of the negative sign in the induced emf formula?

Make a new thread and complete the following about thereal-world applications of induction.

  1. Before the chip technology and contactless payment being implemented in our credit cards, the payment transaction was made by sliding the magnetic stripe of the credit card through the reading device. Explain the process of the payment transaction.
  2. Why are you asked to "insert your card" and "remove your card quickly"?
  3. Can you make an analogy with any of your prompts in the lab investigation?
  4. Provide another example of induction in a real-world application and briefly explain the principle of operation.

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