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If the magnetic field in a plane electromagnetic wave is given by vector B = 3 x 10-8 sin(1.6 x 103x + 48 x 1010 t)j vector T, then what will be expression for electric field? 

  1. E˙ = 3 × 10−8sin(1.6 × 103x + 48 × 1010t)ˆi V/m
  2.  E˙ = 3 × 10−8sin(1.6 × 103x + 48 × 1010t)ˆj V/m
  3.  E˙ = 60 sin(1.6 × 103x + 48 × 1010t)kˆ V/m
  4.  E˙ = 9 sin(1.6 × 103x + 48 × 1010t)kˆ V/m
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