Recent content by charlief

  1. C

    Find expression for electric field from magnetic field

    Thank you very much!
  2. C

    Find expression for electric field from magnetic field

    Apologies it was a typo, I meant "##E_y = E_z = 0## and ##E_x = (\omega B_0)/k##"
  3. C

    Find expression for electric field from magnetic field

    Homework Statement In a region of space, the magnetic field depends on the co-ordinate ##z## and is given by $$\mathbf{B} = \hat{\jmath} B_0 \cos \left(kz - \omega t \right)$$ where ##k## is the wave number, ##\omega## is the angular frequency, and ##B_0## is a constant. The Electric Field in...
  4. C

    Torque of charged rotating disc in uniform magnetic field

    Hi, I'm having an issue with finding a starting point for the following problem. I've looked through my magnetism and electrodynamic notes but was unable to find a starting point. Could someone please help direct me on the correct path? Thank you. Homework Statement A thin circular disc of...
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