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Question: Answered & Verified by Expert
The magnetic field in a travelling electromagnetic wave has a peak value of 20 nT. The peak value of electric field strength is :
PhysicsElectromagnetic WavesJEE MainJEE Main 2013 (07 Apr)
Options:
  • A 9 V m-1
  • B 12 V m-1
  • C 3 V m-1
  • D 6 V m-1
Solution:
2150 Upvotes Verified Answer
The correct answer is: 6 V m-1
 E = B c=20×10-9×3×108

6 V/m

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