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Question

In a current-carrying conductor varying electric field generates


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Solution

Current-carrying conductor:

  1. A varying electric field is a field that changes with respect to time.
  2. According to Maxwell's electromagnetic theory, a changing electric field can generate a time-varying magnetic field.
  3. From Maxwell's equation, ×B=μJ+μεEt, Where E and B are the time varying electric and magnetic fields, J is the electric current density, μ and ε are the magnetic permeability and electric permittivity respectively.
  4. In the case of electromagnetic waves, varying magnetic field generate a time-varying electric field and vice versa. That's why electromagnetic waves can travel without any medium.
Does a current-carrying conductor possess both an electric and a magnetic  field? - Quora

Therefore, varying electric field can generates a varying magnetic field.


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