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The magnetic field in a travelling electromagnetic wave has a peak value of 20 nT . The peak value of electric field strength is :

Options

  1. A9   V   m - 1
  2. B12   V   m - 1
  3. C3   V   m - 1
  4. D6   V   m - 1

Correct answer

D. 6   V   m - 1

Step-by-step solution

  E   =   B   c = 20 × 10 - 9 × 3 × 10 8 =  6 V/m

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